On May 25, 1961,

President John F. Kennedy told Congress: "I believe that this nation should commit itself to achieving the goal, before this decade is out, of landing a man on the moon and returning him safely to the earth."

In 1787,

the Constitutional Convention began at the Pennsylvania State House (Independence Hall) in Philadelphia after enough delegates had shown up for a quorum.

In 1810,

Argentina began its revolt against Spanish rule with the forming of the Primera Junta in Buenos Aires.