15 Facts About the Summer Solstice

iStock/jessicaphoto
iStock/jessicaphoto

It's the longest day of the year in the Northern Hemisphere, so soak up some of those direct sunrays (safely, of course) and celebrate the start of summer with these solstice facts.

1. This year the summer solstice falls on June 21.

June 21 date against a yellow background
iStock/Bychykhin_Olexandr

The summer solstice always occurs between June 20 and June 22, but because the calendar doesn't exactly reflect the Earth's rotation, the precise time shifts slightly each year. For 2019, the Sun will reach its greatest height in the sky for the Northern Hemisphere on June 21 at 11:54 a.m. Eastern Time.

2. The Sun will be directly overhead at the Tropic of Cancer.

A vintage mapped globe showing the Tropic of Cancer
iStock/Valerie Loiseleux

While the entire Northern Hemisphere will see its longest day of the year on the summer solstice, the Sun is only directly overhead at the Tropic of Cancer (23 degrees 27 minutes north latitude).

3. The name comes from the fact that the Sun appears to stand still.

Stonehenge at sunrise.
CARL DE SOUZA, AFP/Getty Images

The term "solstice" is derived from the Latin words sol (sun) and sistere (to stand still), because the Sun's relative position in the sky at noon does not appear to change much during the solstice and its surrounding days. The rest of the year, the Earth's tilt on its axis—roughly 23.5 degrees—causes the Sun's path in the sky to rise and fall from one day to the next.

4. The world's biggest bonfire was part of a solstice celebration.

A large bonfire
iStock/Ralf Menache

Celebrations have been held in conjunction with the solstice in cultures around the world for hundreds of years. Among these is Sankthans, or "Midsummer," which is celebrated on June 24 in Scandinavian countries. In 2016, the people of Ålesund, Norway, set a world record for the tallest bonfire with their 155.5-foot celebratory bonfire.

5. The hot weather follows the Sun by a few weeks.

Colorful picture of the sun hitting ocean waves.
iStock/kaisorn

You may wonder why, if the solstice is the longest day of the year—and thus gets the most sunlight—the temperature usually doesn't reach its annual peak until a month or two later. It's because water, which makes up most of the Earth's surface, has a high specific heat, meaning it takes a while to both heat up and cool down. Because of this, the Earth's temperature takes about six weeks to catch up to the Sun.

6. Thousands of people gather at Stonehenge to celebrate the summer solstice.

Rollo Maughfling, the Archdruid of Glastonbury and Stonehenge, conducts a Solstice celebration service for revelers as they wait for the midsummer sunrise at Stonehenge on June 21, 2012, near Salisbury, England.
Rollo Maughfling, the Archdruid of Glastonbury and Stonehenge, conducts a Solstice celebration service for revelers as they wait for the midsummer sunrise at Stonehenge on June 21, 2012, near Salisbury, England.
Matt Cardy, Getty Images

People have long believed that Stonehenge was the site of ancient druid solstice celebrations because of the way the Sun lines up with the stones on the winter and summer solstices. While there's no proven connection between Celtic solstice celebrations and Stonehenge, these days, thousands of modern pagans gather at the landmark to watch the sunrise on the solstice.

7. Pagans celebrate the solstice with symbols of fire and water.

Arty image of fire and water colliding.
iStock/Jag_cz

In Paganism and Wicca, Midsummer is celebrated with a festival known as Litha. In ancient Europe, the festival involved rolling giant wheels lit on fire into bodies of water to symbolize the balance between fire and water.

8. In ancient Egypt, the solstice heralded the new year.

Stars in the night sky.
iStock/GM Stock Films

In Ancient Egypt, the summer solstice preceded the appearance of the Sirius star, which the Egyptians believed was responsible for the annual flooding of the Nile that they relied upon for agriculture. Because of this, the Egyptian calendar was set so that the start of the year coincided with the appearance of Sirius, just after the solstice.

9. The ancient Chinese honored the yin on the summer solstice.

Yin and yang symbol on textured sand.
iStock/filmfoto

In ancient China, the summer solstice was the yin to the winter solstice's yang—literally. Throughout the year, the Chinese believed, the powers of yin and yang waxed and waned in reverse proportion to each other. At the summer solstice, the influence of yang was at its height, but the celebration centered on the impending switch to yin. At the winter solstice, the opposite switch was honored.

10. In Alaska, the summer solstice is celebrated with a midnight baseball game.

Silhouette of a baseball player.
iStock/Kameleon007

Each year on the summer solstice, the Alaska Goldpanners of Fairbanks celebrate their status as the most northerly baseball team on the planet with a game that starts at 10:00 p.m. and stretches well into the following morning—without the need for artificial light—known as the Midnight Sun Game. The tradition originated in 1906 and was taken over by the Goldpanners in their first year of existence, 1960.

11. The Earth is actually at its farthest from the Sun during the solstice.

The Earth tilted on its axis.
iStock/Volodymyr Goinyk

You might think that because the solstice occurs in summer that it means the Earth is closest to the Sun in its elliptical revolution. However, the Earth is actually closest to the Sun when the Northern Hemisphere experiences winter and is farthest away during the summer solstice. The warmth of summer comes exclusively from the tilt of the Earth's axis, and not from how close it is to the sun at any given time. 

12. Ironically, the solstice marks a dark time in science history.

Galileo working on a book.
Hulton Archive, Getty Images

Legend has it that it was on the summer solstice in 1633 that Galileo was forced to recant his declaration that the Earth revolves around the Sun; even with doing so, he still spent the rest of his life under house arrest.

13. An alternative calendar had an extra month named after the solstice.

Pages of a calendar
iStock/Gam1983

In 1902, a British railway system employee named Moses B. Cotsworth attempted to institute a new calendar system that would standardize the months into even four-week segments. To do so, he needed to add an extra month to the year. The additional month was inserted between June and July and named Sol because the summer solstice would always fall during this time. Despite Cotsworth's traveling campaign to promote his new calendar, it failed to catch on.

14. In ancient Greece, the solstice festival marked a time of social equality.

Ancient Greek sculpture in stone.
iStock/imagestock

The Greek festival of Kronia, which honored Cronus, the god of agriculture, coincided with the solstice. The festival was distinguished from other annual feasts and celebrations in that slaves and freemen participated in the festivities as equals.

15. Ancient Rome honored the goddess Vesta on the solstice.

Roman statue of a vestal virgin
iStock/bpperry

In Rome, midsummer coincided with the festival of Vestalia, which honored Vesta, the Roman goddess who guarded virginity and was considered the patron of the domestic sphere. On the first day of this festival, married women were allowed to enter the temple of the Vestal virgins, from which they were barred the rest of the year.

A version of this list originally ran in 2015, and was updated in 2019.

14 Things You Might Not Have Known About James K. Polk

Matthew Brady/Getty Images
Matthew Brady/Getty Images

James K. Polk may have served just one term, but he was one of history’s most consequential U.S. presidents. Polish up on Young Hickory, America's 11th Commander in Chief.

1. James K. Polk had surgery to remove urinary bladder stones when he was 16.

Born on November 2, 1795, James Knox Polk was the oldest of 10 children born to Samuel Polk, a farmer and surveyor, and his wife, Jane. When James was 10, the family moved to Tennessee and settled on a farm in Maury County. As a child, James was too ill to attend formal school; just before he turned 17, he had urinary bladder stones surgically removed by Ephraim McDowell, a prominent Kentucky surgeon. Anesthesia wasn’t available at that time, so the future president reportedly dulled the pain with brandy. The surgery allowed the formerly ill Polk to attend formal schooling for the first time. He entered the University of North Carolina as a sophomore after just 2.5 years of formal schooling. According to Britannica, "as a graduating senior in 1818 he was the Latin salutatorian of his class—a preeminent scholar in both the classics and mathematics." After graduation, he returned to Tennessee to study law and eventually opened up his own practice.

2. James K. Polk won a seat on the Tennessee Legislature at 27, and the U.S. House of Representatives at 29.

During his time in the state legislature, he met—and befriended—future president Andrew Jackson. He also began courting his future wife, Sarah Childress. The daughter of a prominent planter, she had been educated at the prestigious Moravian Female Academy in Salem, North Carolina, and was an eager and active participant in his political campaigns. Polk and Sarah married in 1824. In 1825, Polk was elected to the U.S. House of Representatives; he was speaker of the House from 1835 until he left in 1839 to become governor of Tennessee.

3. James K. Polk's nomination for president surprised everyone—including himself.

Months before the democratic national convention of 1844, Polk was at a low point. He had just lost his bid to be re-elected governor of Tennessee (he had been voted out of office in 1841 and tried—and failed—to be elected again in 1843). But when the delegates at the convention couldn’t agree on a nominee—the party was deadlocked between Martin Van Buren and Lewis Cass—they eventually decided to compromise by picking a “dark horse” candidate: Polk.

4. Everyone thought James K. Polk would lose his bid for the presidency.

Despite being a seven-time congressman, a former Speaker of the House, and an ex-governor, Polk was a relative nobody. His opponent Henry Clay lamented that Democrats had failed to choose someone “more worthy of a contest.” Despite the doubts, Polk won the popular vote by nearly 40,000 and the Electoral College 170-105.

5. During James K. Polk's White House "office hours," any American could stop by.

During Polk’s day, anybody was permitted to visit the White House for “office hours.” For two days every week, concerned citizens and lobbyists could drop by to vouch for a cause or ask for political favors. “Job seekers were the worst, in Polk’s view, and he found their incessant interruptions far more annoying than his Whig opponents in Congress,” writes Walter R. Borneman in his book Polk: The Man Who Transformed the Presidency and America.

6. James K. Polk was remarkably boring.

Polk had as much charisma as a puddle of mud. He was straight-laced, somber, and humorless. As Speaker, an editor in Washington called him the "most unpretending man, for his talents, this, or perhaps any country, has ever seen." Some attributed Polk’s boringness to his refusal to drink socially. The politician Sam Houston supposedly called him “a victim of the use of water as a beverage.” (Sarah banned hard liquor—and dancing—from the White House.)

7. James K. Polk worked 12 hour days and didn't take much time off from the presidency.

Polk regularly spent 12 hours a day at the office. He rarely left Washington, took advice, or delegated. When he wanted to lobby for policy, he’d visit Congress and do it himself. Over the course of his single term, Polk took a total of just 27 days off. “No President who performs his duty faithfully and conscientiously can have any leisure,” Polk wrote.

8. James K. Polk acquired America's first patch of Pacific coastline.

In the early 19th century, the Pacific Northwest was jointly occupied by British and American settlers. But as the century progressed, Americans began to outnumber the British, and they increasingly felt like the rightful owners of the “Oregon Country.” Thankfully, neither country was interested in battling over the land. In 1846, Polk and the British drew a border at the 49th parallel (with some adjustment for Vancouver Island)—what is now Washington State’s boundary with Canada. With that, the United States obtained its first uncontested patch of Pacific coastline.

9. James K. Polk waged a controversial—and consequential—war with Mexico.

In the 1840s, Mexico’s border encompassed California, the American southwest, and even parts of Colorado and Wyoming. Polk wanted this land. In 1845, he offered to buy some disputed territory near the Texas-Mexico border, as well as land in California; when Mexico refused, Polk sent troops into the disputed territory. Mexico retaliated. Polk then requested Congress to declare war. His critics (including a young Abraham Lincoln) complained that Polk had deliberately provoked Mexico. Whatever Polk’s motivations, the United States lost 13,000 men and approximately $100 million in the ensuing war—but succeeded in taking one-third of Mexico’s land.

10. James K. Polk is the reason the United States stretches from the Atlantic Ocean to the Pacific Ocean.

In the course of just one term, Polk oversaw one of the greatest territorial expansions of any president—an increase of 1.2 million square miles. His administration extended the United States boundary to the Pacific Ocean and laid the groundwork for states such as California, Utah, Nevada, Arizona, New Mexico, Colorado, Washington, Idaho, Oregon, and Montana.

11. James K. Polk's ambivalence toward the issue of slavery may have sparked the Civil War.

When Polk’s administration began pushing westward, debate raged over how these new territories could alter the power balance between free and slave states. Polk, who considered slavery a side issue, refused to give the rancor much time or attention. (No doubt because of his own relationship with slavery. He owned more than 20 enslaved people and brought them to the White House.) Polk’s ambivalence helped sow so much discord that historians now consider his rapid expansion westward as the first steps toward the Civil War.

12. James K. Polk signed bills that reshaped Washington, D.C.

Polk accomplished a lot in just four years. During his tenure, he signed the Smithsonian Institution into law. He was instrumental to the construction of the Washington Monument and helped establish the U.S. Naval Academy in Annapolis, Maryland. He also re-established an independent U.S. Treasury, which was partly intended to reduce the role of speculation in the economy.

13. James K. Polk's administration introduced Americans to the postage stamp.

One of Polk’s unofficial campaign managers was a Nosferatu-lookalike named Cave Johnson, who Polk rewarded with a job as Postmaster General. It was a tough gig. The post office’s budget was swimming in red ink. (At the time, mail recipients paid postage: If a mail carrier failed to find a recipient, no money was made. This happened a lot.) Johnson fixed the financial problem by introducing the prepaid postage stamp, which flipped the responsibility of paying to senders. According to historian C. L. Grant, in 1845, Johnson estimated that the department would have a deficit of over a million dollars. By the time he left that was down to $30,000.

14. The location of James K. Polk's grave is causing a stir in Tennessee.

Polk died, likely of cholera, in 1849, just months after leaving office. Because he died of an infectious disease, the president was hastily buried in a city cemetery near the outskirts of Nashville. Months later, he was re-interred near his Nashville mansion, Polk Place. In 1893, his tomb was moved again to the state Capitol grounds. Today, Tennessee legislators are actively debating whether to move Polk’s bones a fourth time, this time to his old family home in Columbia, Tennessee.

10 Complicated Facts About Shaft

Richard Roundtree stars in Shaft (1971).
Richard Roundtree stars in Shaft (1971).
MGM

On July 2, 1971, moviegoers caught their first glimpse of John Shaft, the "black private dick that’s a sex machine to all the chicks." Today, Shaft is considered one of the grandfathers of the blaxploitation genre—and it’s got one of the most recognizable soundtracks of all time. While Samuel L. Jackson has taken on the role for a new generation here are some interesting facts about the original film's creation and release. If you picked up on why Shaft and his associates call everyone "mother," you’re smarter than at least one unfortunate reporter.

1. A white newspaper reporter created Shaft.

John Shaft made his debut in Shaft, a novel by Ernest Tidyman. Tidyman was a reporter for The Cleveland News, The New York Post, and The New York Times before he began writing the Shaft series, which included seven detective stories. Along with John D.F. Black, he adapted his first Shaft book into the screenplay for the first film. He would later go on to write the screenplays for The French Connection (1971) and High Plains Drifter (1973) as well as Shaft’s Big Score! (1972) and the Shaft TV series (1973-1974). His work earned him an NAACP Image Award.

2. The studio wanted to shoot Shaft in Los Angeles.

Shaft was filmed entirely in New York City, which is clearly illustrated by the shots of Times Square and Greenwich Village. But it nearly wasn’t. In his autobiography, Voices in the Mirror, director Gordon Parks recalled how he received word from MGM mere hours before he was set to commence filming that he was to return to Los Angeles and shoot the movie there. Apparently it was a budgetary issue, but Parks wasn’t having it. He flew back to the West Coast and essentially told the studio heads he would quit if he couldn’t shoot in Manhattan. "It has to have the smell of New York," Parks insisted. The director won out, and his nightmare of a Harlem in Hollywood was never realized.

3. Shaft's mustache was non-negotiable.

The Los Angeles fiasco was behind him, but Parks immediately faced another scare when he spied his star, Richard Roundtree, heading to the bathroom with a towel and razor. Producer Joel Freeman had asked him to get rid of his soon-to-be legendary mustache. Parks told Roundtree emphatically, “Shave it off and you’re out of a job.” And with that, the ‘stache stayed in the picture.

4. Gordon Parks put his magazine in the movie.

In the movie’s opening sequence, Shaft stops to talk to a blind newsstand vendor. The magazine Essence is prominently displayed—and that’s no accident; Parks helped found the publication and served as its editorial director for its first three years in print.

5. Bumpy Jonas was based on a real mobster.

Shaft spends most of the movie tracking down a kidnapped girl. She’s the daughter of Harlem crime kingpin Bumpy Jonas, and Bumpy was not a Hollywood invention. He was based on Ellsworth “Bumpy” Johnson, who ruled the Harlem crime scene from the 1930s through the 1960s. He had ties to the infamous murder of Dutch Schultz and mentored Frank Lucas, the notorious heroin dealer Denzel Washington played in American Gangster. Fictionalized versions of Johnson have also appeared in movies like The Cotton Club and Hoodlum.

6. Gordon Parks made a cameo.

Parks appears briefly in the montage of Shaft searching for Ben Buford. He’s the landlord with the pipe, who complains that he’s also looking for Buford, who owes him six months of rent.

7. Muhammad Ali's trainer had a bit role.

Drew Bundini Brown was a well-known member of Muhammad Ali’s entourage. He worked as an assistant trainer, and was famous for the “float like a butterfly, sting like a bee” bit he performed with Ali for the cameras. But when he wasn’t in Ali’s corner, Brown was busy racking up movie credits. His first was Shaft, where he played one of Bumpy Jonas's men.

8. "Skloot Insurance" was a nod to a crew member.

Shaft’s office is sandwiched in between Acme Imports Exports Inc. and Skloot Insurance. The latter is a reference to Steven P. Skloot, the movie’s unit production manager.

9. Parks had to explain what "shaft" and "mother" meant to a reporter.

When Parks flew to London to do publicity for the film, he ended up giving an impromptu vocabulary lesson. At a press screening, a confused British reporter asked the director what “shaft” really meant. Parks replied by smiling and sticking his middle finger up in the air, explaining that was “the most honest answer” he could give. But the reporter was persistent and followed up by asking why the characters called each other “mother.” Parks really didn’t know how to answer that one, but luckily, a woman in the audience swooped in. “You’ve heard of Smucker’s jam, young man,” she said. “Just snip out the first two letters and add an ‘f’ and you’ll get the message.”

10. Isaac Hayes was the first black composer to win an Oscar.

Isaac Hayes’s ubiquitous “Theme from Shaft” earned him a 1972 Academy Award for Best Original Song. This win was historic for many reasons: For one, Hayes was the first black composer to score an Oscar. But he was also only the third African American to win an Oscar, period. Prior to 1973, the only other black Academy Award winners were Hattie McDaniel (Best Supporting Actress for Gone with the Wind) and Sidney Poitier (Best Actor for Lilies of the Field).

This story has been updated for 2019.

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