Deaths on May 19

Thomas Sanchez, Spanish priest and theologian (b. 1550)

Tomás Sánchez (1550 – 19 May 1610) was a 16th-century Spanish Jesuit and famous casuist.

7 Jan

Galilean moons
Galileo Galilei makes his first observation of the four Galilean moons: Ganymede, Callisto, Io and Europa, although he is not able to distinguish the last two until the following day.
2 Aug

Northwest Passage
During Henry Hudson's search for the Northwest Passage, he sails into what is now known as Hudson Bay.
9 Aug

Colony of Virginia
The First Anglo-Powhatan War begins in colonial Virginia.