December 4: International Cheetah Day. Today celebrates the cheetah, the fastest animal on land. A cheetah can reach nearly 100 km/h in just a few seconds and uses its long tail to turn sharply. Not many cheetahs are left, so people in places like Namibia in Africa work hard to protect them.
1791 🎨 The first edition of The Observer was published in London. It is the world's first Sunday newspaper, and it is still printed today.
1945 🚀 Roberta Bondar was born in Canada. A brain doctor and scientist, she became the first Canadian woman to fly in space, aboard the Space Shuttle in 1992.
1965 🚀 Gemini 7 launched with astronauts Frank Borman and Jim Lovell. They spent nearly 14 days in orbit, showing people could live in space long enough to reach the Moon.