Group II - 12-14 years

Here are some interesting facts ih history happened on 15 April.

1. City of San Francisco incorporated.
2. Titanic sinks at 2:20 AM.
3. the famed Poodle Dog Restaurant closes.
4. insulin becomes generally available for diabetics.
5. Alioto's on Fisherman's Wharf is founded.
6. Ray Kroc starts the McDonald's chain of fast food restaurants.

These famous people were born on 15 April.

1. 1452 - Leonardo da Vinci, factotum
2. 1707 - Leonhard Euler, mathematician