🎂 Galileo Galilei is born (1564)
Where: Pisa, Italy
📅 On This Day: February 15
February 15, 1564: Galileo Galilei is born. Galileo Galilei was born in 1564 in Pisa, Italy. With telescopes he built himself, he was among the first to see mountains on the Moon and four moons of Jupiter. His telescopes can be seen today at the Museo Galileo in Florence.
✨ More events on this day
- 1861 🔬 Physicist Charles Édouard Guillaume was born; he invented invar, a metal that hardly grows or shrinks with heat, which made clocks and measuring rods far more accurate.
- 1874 🧭 Polar explorer Ernest Shackleton was born; when his ship Endurance was crushed by Antarctic ice, he led all of his crew home safely.
- 2001 🔬 The first draft of the complete human genome, the full set of instructions inside our cells, was published in the science journal Nature.
🧠 Question of the day
How many moons of Jupiter did Galileo see?
- Four
- One
- One hundred
Show the answer
Answer: Four
🎂 Landmarks that opened on February 15
🐾 World day: World Hippo Day
Hippos spend most of the day in water and come out at night to eat grass.
Questions
What happened on February 15?
February 15, 1564: Galileo Galilei is born. It happened in Pisa, Italy.
Which landmarks opened on February 15?
Helsinki Cathedral (inaugurated 1852), Angel of the North (completed 1998).
In the game, the "Today on Earth" panel shows this story on its day, with a question to answer and a place to fly to.