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Why Do Some Olympic Athletes Wear Paper Numbers?

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No athletic event has benefited from advances in technology quite like the Olympic Games. Fencers use state-of-the-art sensors to make sure their attacks are properly recorded; underwater robot cameras capture swimming relay and diving highlights.

But gymnasts and runners still sport some surprisingly low-tech assistance: they get a number on a piece of paper that's held in place with safety pins. What gives?

Technically, athletes wear what’s called a bib—a sheet of thin plastic known as Tyvek that withstands sweat and moisture and is able to move with the wearer’s body. According to Tyvek retailer Running Count, the product is also tear-proof, though whether they mean rips or actual salty discharge from a losing effort—or both—is uncertain.

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Originally, the numbers printed on the bibs were used to identify entrants for judges, who are often tasked with keeping track of multiple competitors. But with the advent of computer chips and timers, it’s become less crucial to slap a number on an athlete. According to WIRED, the bibs are now in place simply because it’s a prime spot for sponsor logos, who pay millions to be featured on the international telecasts. (This year, Nike updated the bibs so they can be affixed using 3D printed plastic “teeth” that stick to clothing. Although the idea wasn’t quite ready in time for the Rio Games, at least there’s progress.)

While athletes don’t get to choose their number, they can still find significance in it. When 1976 gold medal winner Nadia Comaneci donated her bib to the Olympic Museum in Lausanne, Switzerland in 2014, she noted that “73” reminded her of the number of perfect 10 scores she received (seven) and the number of gold medals earned (three). Here's hoping the museum isn't using safety pins to display it.

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Why Does the Queen Have Two Birthdays?
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CHRIS JACKSON, AFP/Getty Images

On April 21, Her Majesty Queen Elizabeth II will turn 92 years old. To mark the occasion, there are usually a series of gun salutes around London: a 41 gun salute in Hyde Park, a 21 gun salute in Windsor Great Park, and a 62 gun salute at the Tower of London. For the most part, the monarch celebrates her big day privately. But on June 9, 2018, Her Majesty will parade through London as part of an opulent birthday celebration known as Trooping the Colour.

Queen Elizabeth, like many British monarchs before her, has two birthdays: the actual anniversary of the day she was born, and a separate day that is labeled her "official" birthday (usually the second Saturday in June). Why? Because April 21 is usually too cold for a proper parade.

The tradition started in 1748, with King George II, who had the misfortune of being born in chilly November. Rather than have his subjects risk catching colds, he combined his birthday celebration with the Trooping the Colour.

The parade itself had been part of British culture for almost a century by that time. At first it was strictly a military event, at which regiments displayed their flags—or "colours"—so that soldiers could familiarize themselves. But George was known as a formidable general after having led troops at the Battle of Dettingen in 1743, so the military celebration seemed a fitting occasion onto which to graft his warm-weather birthday. Edward VII, who also had a November birthday, was the first to standardize the June Trooping the Colour and launched a tradition of a monarchical review of the troops that drew crowds of onlookers.

Even now, the date of the "official" birthday varies year to year. For the first seven years of her reign, Elizabeth II held her official birthday on a Thursday but has since switched over to Saturdays. And while the date is tied to the Trooping the Colour in the UK, Commonwealth nations around the world have their own criteria, which generally involve recognizing it as a public holiday.

Australia started recognizing an official birthday back in 1788, and all the provinces (save one) observe the Queen's Birthday on the second Monday in June, with Western Australia holding its celebrations on the last Monday of September or the first Monday of October.

In Canada, the official birthday has been set to align with the actual birth date of Queen Victoria—May 24, 1819—since 1845, and as such they celebrate so-called Victoria Day on May 24 or the Monday before.

In New Zealand, it's the first Monday in June, and in the Falkland Islands the actual day of the Queen's birth is celebrated publicly.

All in all, just another reason it's great to be Queen.

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What Is the Meaning Behind "420"?
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Whether or not you’re a marijuana enthusiast, you’re probably aware that today is an unofficial holiday for those who are. April 20—4/20—is a day when pot smokers around the world come together to, well, smoke pot. Others use the day to push for legalization, holding marches and rallies.

But why the code 420? There are a lot of theories as to why that particular number was chosen, but most of them are wrong. You may have heard that 420 is police code for possession, or maybe it’s the penal code for marijuana use. Both are false. There is a California Senate Bill 420 that refers to the use of medical marijuana, but the bill was named for the code, not the other way around.

As far as anyone can tell, the phrase started with a bunch of high school students. Back in 1971, a group of kids at San Rafael High School in San Rafael, California, got in the habit of meeting at 4:20 to smoke after school. When they’d see each other in the hallways during the day, their shorthand was “420 Louis,” meaning, “Let’s meet at the Louis Pasteur statue at 4:20 to smoke.”

Somehow, the phrase caught on—and when the Grateful Dead eventually picked it up, "420" spread through the greater community like wildfire. What began as a silly code passed between classes is now a worldwide event for smokers and legalization activists everywhere—not a bad accomplishment for a bunch of high school stoners.

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