1530: Final decree of the Diet of Augsburg, “The Recess,” is signed by Charles V and the Catholic princes, reaffirming Catholic rites and principles after the departure of the Protestant princes

1620: The Mayflower reaches Cape Cod and explores the coast

1805: Lewis and Clark Expedition, led by Meriwether Lewis and William Clark, reaches the Pacific Ocean, the first European Americans to cross the West

1863: US President Abraham Lincoln delivers his Gettysburg Address, starts with “Four score and seven years ago…”

1942: Operation Uranus: Soviet offensive begins during the Battle of Stalingrad, 1 million Soviet soldiers encircle the German Sixth Army

1969: Apollo 12’s Charles Conrad and Alan Bean become the 3rd and 4th humans on the Moon

1985: US President Ronald Reagan and Soviet leader Mikhail Gorbachev meet for the first time

Source: Onthisday.com