Today in History for Feb. 15: ...

In 1609, the Italian astronomer Galileo Galilei upended the Earth-centered Ptolemaic view of the universe by determining that the planets circled the sun based on observations made with an early ...

Galileo Galilei, the astronomer who championed the heliocentric model; Napoleon Bonaparte, the French military leader; and Beethoven, the composer who created timeless music despite his deafness ...