Births on April 15

Francesco Maria Brancaccio, Catholic cardinal (d. 1675)

Francesco Maria Brancaccio (15 April 1592, in Canneto, near Bari – 9 January 1675) was an Italian Catholic Cardinal.

8 Jul

Battle of Hansan Island
Imjin War: At the Battle of Hansan Island, the Korean Navy, led by Yi Sun-sin, Yi Eok-gi, and Won Gyun, decisively defeats the Japanese Navy, led by Wakisaka Yasuharu.
20 Jul

Toyotomi Hideyoshi
During the first Japanese invasion of Korea, Japanese forces led by Toyotomi Hideyoshi captured Pyongyang, although they were ultimately unable to hold it.
14 Aug

John Davis (English explorer)
The first sighting of the Falkland Islands by John Davis.