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How Do Countries Choose Which Side They Drive On?

Chaos has descended this week on the tiny Pacific island of Samoa after government officials decided to force the entire nation to switch sides of the road on Monday. While Samoan officials insist there have been no accidents as a result of asking drivers to switch from driving on the right side of the road to driving on the left, many non-driving Samoans have been left stranded because the island's buses now open to the middle of the road.

Samoa is the first nation since the 1970s to switch sides and did so, they say, to end their reliance on left-hand drive vehicles imported at great expense from America. All well and good, but the real question here is why do different nations drive on different sides of the roads? Here in England, where traffic comes from the right, it took me more than a few weeks to stop looking left every time I went to cross the street—training that was completely undone when I went to France for two weeks at the end of the summer.

So what is the deal with the "wrong" side of the road? How do countries decide which side they drive on?

Because The Pope Said So

According to some sources, about a quarter of the world drives on the left, as they do in Britain. This isn't too surprising, since at one time Britain owned about a quarter of the world. Traveling on the left side of the road was a practice that started with the feudal societies of Western world, like the proto-British empire "“ back in the day, you never knew who'd you pass on the road, so best to keep your sword arm between you and them. In 1300 AD, Pope Boniface VIII codified the practice with a law that decreed that pilgrims headed for Rome should keep on the left.

The Birth of the Left-Hand Drivers' Seat

Things were going fine until the advent of market-based agriculture on a grand scale. In the 1700s, farmers in the US and France began hauling their products to market in big rigs pulled by many horses. Because these wagons typically had no place to sit, drivers would sit on the rear left horse, with their right arm free to whip the team along "“ and the left-hand drivers' seat was born. Drivers naturally tended to ride on the right side of the road now, because it was safer to meet oncoming vehicles from where you could see their wheels. In 1792, a Pennsylvania law required that vehicles keep right, other states following soon after.

Because Napoleon Said So

Another explanation blames Napoleon. Because Napoleon was left-handed, he demanded that everyone approach from the right, so he could keep his sword arm between himself and anyone he'd meet. That's not exactly true; the custom of keeping to the right actually pre-dated Napoleon, but he did make sure his troops followed it whilst they spread their Empire, and from Napoleon's lips to law. Switzerland, Germany, Italy, Poland, and Spain, which were all at one point under Napoleon's either direct control or influence, subsequently drive on the right.

It's an England/France Thing

So on two different continents, the "keep right" rule was becoming entrenched "“ while in England, keeping left remained the only way to go, especially after a 1756 city ordinance decreed that all traffic on the London Bridge must keep to the left. From there, it was all about influence.

Though not a hard and fast rule, places that were under French and US influence kept right, while those under the British Empire and its influence still kept left.

In Japan in 1859, for example, a British ambassador was able to convince the government there to keep left, a major coup for the lefties and Britain (this is what the Brits say; the Japanese, however, may disagree and claim that their decision to keep left had more to do with samurai warriors and their needs).

Because Hitler Said So

With the invention of the automobile, countries had good reason to pick a side and stick to it, although not all did. By 1938, there was another reason: Wherever Hitler invaded, he forced the native populations to drive on the right. Parts of Austria, including Vienna, Hungary and Czechoslovakia, that had historically driven on the left now had to drive on the right.

Ask Your Neighbors

Countries were still making "which side?" decisions well into the second half of the 20th century. Sweden, for example, switched to driving on the right in 1967 because by then, most of the countries their burgeoning car industry sold to were right-side countries. By this time, the clearest indicator of which side a country drives on became what its neighbors did, and with whom they traded.

Of course, some places, like the US Virgin Islands, confuse the issue even more by driving left-hand side cars on the left side of the road "“ it's the only place under US purview that does so.

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Big Questions
What's the Difference Between Stuffing and Dressing?
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For carbohydrate consumers, nothing completes a Thanksgiving meal like stuffing—shovelfuls of bread, celery, mushrooms, and other ingredients that complement all of that turkey protein.

Some people don’t say “stuffing,” though. They say “dressing.” In these calamitous times, knowing how to properly refer to the giant glob of insulin-spiking bread seems necessary. So what's the difference?

Let’s dismiss one theory off the bat: Dressing and stuffing do not correlate with how the side dish is prepared. A turkey can be stuffed with dressing, and stuffing can be served in a casserole dish. Whether it’s ever seen the inside of a bird is irrelevant, and anyone who tells you otherwise is wrong and should be met with suspicion, if not outright derision.

The terms are actually separated due to regional dialects. “Dressing” seems to be the favored descriptor for southern states like Mississippi, Tennessee, South Carolina, and Georgia, while “stuffing” is preferred by Maine, New York, and other northern areas. (Some parts of Pennsylvania call it "filling," which is a bit too on the nose, but to each their own.)

If “stuffing” stemmed from the common practice of filling a turkey with carbs, why the division? According to The Huffington Post, it may have been because Southerners considered the word “stuffing” impolite, so never embraced it.

While you should experience no material difference in asking for stuffing or dressing, when visiting relatives it might be helpful to keep to their regionally-preferred word to avoid confusion. Enjoy stuffing yourselves.

Have you got a Big Question you'd like us to answer? If so, let us know by emailing us at bigquestions@mentalfloss.com.

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Big Questions
Why Do the Lions and Cowboys Always Play on Thanksgiving?
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Rey Del Rio/Getty Images

Because it's tradition! But how did this tradition begin?

Every year since 1934, the Detroit Lions have taken the field for a Thanksgiving game, no matter how bad their record has been. It all goes back to when the Lions were still a fairly young franchise. The team started in 1929 in Portsmouth, Ohio, as the Spartans. Portsmouth, while surely a lovely town, wasn't quite big enough to support a pro team in the young NFL. Detroit radio station owner George A. Richards bought the Spartans and moved the team to Detroit in 1934.

Although Richards's new squad was a solid team, they were playing second fiddle in Detroit to the Hank Greenberg-led Tigers, who had gone 101-53 to win the 1934 American League Pennant. In the early weeks of the 1934 season, the biggest crowd the Lions could draw for a game was a relatively paltry 15,000. Desperate for a marketing trick to get Detroit excited about its fledgling football franchise, Richards hit on the idea of playing a game on Thanksgiving. Since Richards's WJR was one of the bigger radio stations in the country, he had considerable clout with his network and convinced NBC to broadcast a Thanksgiving game on 94 stations nationwide.

The move worked brilliantly. The undefeated Chicago Bears rolled into town as defending NFL champions, and since the Lions had only one loss, the winner of the first Thanksgiving game would take the NFL's Western Division. The Lions not only sold out their 26,000-seat stadium, they also had to turn fans away at the gate. Even though the juggernaut Bears won that game, the tradition took hold, and the Lions have been playing on Thanksgiving ever since.

This year, the Lions host the Minnesota Vikings.

HOW 'BOUT THEM COWBOYS?


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The Cowboys, too, jumped on the opportunity to play on Thanksgiving as an extra little bump for their popularity. When the chance to take the field on Thanksgiving arose in 1966, it might not have been a huge benefit for the Cowboys. Sure, the Lions had filled their stadium for their Thanksgiving games, but that was no assurance that Texans would warm to holiday football so quickly.

Cowboys general manager Tex Schramm, though, was something of a marketing genius; among his other achievements was the creation of the Dallas Cowboys Cheerleaders.

Schramm saw the Thanksgiving Day game as a great way to get the team some national publicity even as it struggled under young head coach Tom Landry. Schramm signed the Cowboys up for the game even though the NFL was worried that the fans might just not show up—the league guaranteed the team a certain gate revenue in case nobody bought tickets. But the fans showed up in droves, and the team broke its attendance record as 80,259 crammed into the Cotton Bowl. The Cowboys beat the Cleveland Browns 26-14 that day, and a second Thanksgiving pigskin tradition caught hold. Since 1966, the Cowboys have missed having Thanksgiving games only twice.

Dallas will take on the Los Angeles Chargers on Thursday.

WHAT'S WITH THE NIGHT GAME?


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In 2006, because 6-plus hours of holiday football was not sufficient, the NFL added a third game to the Thanksgiving lineup. This game is not assigned to a specific franchise—this year, the Washington Redskins will welcome the New York Giants.

Re-running this 2008 article a few days before the games is our Thanksgiving tradition.

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