On This Day In History On This Day In History: Galilei Galileo Demonstrates His First Telescope – August 25, 1609MessageToEagle.com | August 25, 2016 MessageToEagle.com – On 25 August 1609, exactly 407 years ago today, the Italian astronomer and philosopher Galilei Galileo showed Venetian merchants his new invention, a telescope, an important Read More