5 Cool Facts About France Everyone Will Love
By: Jean-Paul and Jessica - Published May 21, 2025, Updated January 6, 2026
France is famous for the Eiffel Tower, baguettes, and very long lunches. But the real surprises go deeper than that. Here are five facts about France that most kids have never heard and that most adults don't know either. A king who ruled for 20 minutes. A tower that gets taller in summer. A town with a one-letter name. All of it true, all of it verified.
1. A King Once Ruled France for 20 Minutes
On August 2, 1830, France had three different kings in a single day.
King Charles X was forced to step down during a revolution. He passed the crown to his son, Louis Antoine, who became King Louis XIX. Louis Antoine spent the next 20 minutes listening to his wife beg him not to sign the abdication papers. Then he signed them anyway, passing the throne to his nephew. He never actually governed the country.
Guinness World Records officially lists Louis XIX as the shortest-reigning monarch in history, though some historians debate whether a 20-minute succession even counts as a reign.
Jean-Paul: "He signed a piece of paper and then left France. That is the entire reign."
2. The First Hot Air Balloon Passengers Were Farm Animals
In September 1783, the Montgolfier brothers needed to test whether living creatures could survive a balloon flight. The king suggested sending up prisoners. The brothers chose a sheep, a duck, and a rooster instead.
The flight launched from the Palace of Versailles in front of King Louis XVI, Marie Antoinette, and a crowd of spectators. The balloon flew for about 8 minutes, covered roughly two miles, and landed safely. All three animals survived. Once they made it back, the king allowed humans to go next.
Jessica: "Our kids thought this was the funniest thing they'd ever heard. They spent most of our Paris trip asking where the sheep balloon was."
3. The Eiffel Tower Gets Taller in Summer
Here is a fact that surprises almost everyone, including adults who have visited Paris many times.
Metal expands when it heats up. The Eiffel Tower is made almost entirely of iron. On hot summer days the iron expands, making the tower measurably taller than it is in the cold of winter. When temperatures drop, it shrinks back. The sun also heats one side of the tower at a time, which causes the top to lean slightly away from the sun throughout the day before evening out after dark.
The tower also gets repainted every seven years. Workers apply about 60 tonnes of paint each time, entirely by hand with brushes, to protect the iron from rust.
Jean-Paul: "It was built to be torn down after 20 years. Radio transmissions saved it. Now it quietly grows taller every July."
4. There Is Actually a Law About Baguettes
France passed a law in 1993 called the Décret Pain, which means Bread Decree.
The law defines what can legally be called a traditional French baguette. It must contain exactly four ingredients: wheat flour, water, salt, and yeast. No additives. No preservatives. No exceptions.
Because there are no preservatives, a real baguette goes stale within hours. That is why French families buy fresh bread almost every day, sometimes twice.
Jessica: "I bought a baguette on our first trip thinking I would save some for the morning. Jean-Paul looked at me like I had suggested something deeply unreasonable. He was right."
5. There Is a Town in France With a One-Letter Name
France has a town called Y.
That is the full name. One letter. It is a small commune in the Somme department in northern France, about 90 residents, and it holds the official record for the shortest place name in the country. The residents call themselves Ypsiloniens, after the Greek letter upsilon, which is shaped like a Y.
The name is pronounced like the letter E in English.
Jean-Paul: "Giving someone directions there must be a very specific kind of frustrating."
FAQ: Cool Facts About France for Kids
What are some cool facts about France for kids? France has a king who ruled for only 20 minutes, a town with a one-letter name, and a law that limits what goes into a baguette. The Montgolfier brothers sent a sheep, a duck, and a rooster into the air before they let humans try it. The Eiffel Tower gets measurably taller in summer because iron expands in heat. Any of those is a good place to start.
Who was King Louis XIX? Louis XIX was technically King of France for about 20 minutes on August 2, 1830. His father, King Charles X, abdicated during the July Revolution and passed the crown to him. Louis Antoine spent 20 minutes listening to his wife urge him not to sign, then signed his own abdication anyway, passing the throne to his nephew. He never governed the country. Guinness World Records recognizes him as the shortest-reigning monarch in history, though some historians debate whether the succession even counted as a reign.
What were the first hot air balloon passengers? A sheep, a duck, and a rooster. The Montgolfier brothers launched them from the Palace of Versailles in September 1783. The flight lasted about 8 minutes and covered roughly two miles. All three animals survived, which led King Louis XVI to approve human flights next.
Why does the Eiffel Tower grow in summer? Metal expands when it heats up. The tower is made almost entirely of iron, so on hot summer days it is measurably taller than in winter. The official Eiffel Tower website describes the height increase from day-to-day temperature swings as a few millimeters, with a larger variation across the full winter-to-summer temperature range. When temperatures drop, the iron contracts back.
Why do French families buy bread every day? Traditional French baguettes have no preservatives. The 1993 Bread Decree limits a traditional baguette to four ingredients: flour, water, salt, and yeast. No additives, no preservatives, which means the bread goes stale fast. Buying it fresh daily is the norm.
What is the shortest place name in France? Y. It is a commune in the Somme department in northern France with about 90 residents. The name is pronounced like the letter E in English and holds the official record for the shortest place name in the country.
About the Authors
Jean-Paul grew up in Burgundy and has lived in France his entire life. Jessica is American and has been traveling to France for more than twenty years. They started Bonjour Guide because the most useful information about France tends to be the hardest to find. Meet Jean-Paul and Jessica.
