This day in history. Read about what happened today. A short and interesting account of historical events and facts about this day as well as any other day of the year. Find historical birthdays, deaths, tragedies, war events, disasters and sports events.

This year in history
In the year 1610

January
7th

The four largest moons of Jupiter were observed by Galileo Galilei for the first time in history. They are called the Galilean moons.

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