Because ShadowAngel told me to

My wikipedia birthday results:

Events:
1933 - The Gestapo, the official secret police force of Nazi Germany, is established.

1942 - The worst-ever mining accident in history kills 1,549 miners in an explosion at the Honkeiko Colliery, Manchuria.

1986 - In Ukraine, a nuclear reactor at the Chernobyl nuclear plant explodes, creating the world's worst nuclear disaster.

Births:
121 - Marcus Aurelius, Roman Emperor (d. 180)
1963 - Jet Li, Chinese martial artist and actor

also since they don't know the exact date of his birth
1564 (baptized) - William Shakespeare, English writer (d. 1616)

Deaths:
1989 - Lucille Ball, American actress and comedian (b. 1911)

Holidays: not many to pick from here.
Tanzania - Union Day.- Celebrating the unification of Zanzibar with Tanganyika to form the United Republic of Tanzania