1610 - What happened in 1610 ?

January 1610

Thursday 07:

Galileo Galilei observes the four largest moons of Jupiter for the first time. He named them and in turn the four are called the Galilean moons.

Wednesday 13:

Galileo Galilei discovers Callisto, 4th satellite of Jupiter.

July 1610

Monday 05:

John Guy sets sail from Bristol with 39 other colonists for Newfoundland.

August 1610

Monday 02:

Henry Hudson sails into what it is now known as Hudson Bay, thinking he had made it through the Northwest Passage and reached the Pacific Ocean.