On October 3, 1863, expressing gratitude for a pivotal Union Army victory at Gettysburg, President Abraham Lincoln announces that the nation will celebrate an official Thanksgiving holiday on November 26, 1863.

On October 3, 1917, six months after the United States declared war on Germany and began its participation in the First World War, the U.S. Congress passes the War Revenue Act, increasing income taxes to unprecedented levels in order to raise more money for the war effort.

On October 3, 1942, German rocket scientist Wernher von Braun’s brainchild, the V-2 missile, is fired successfully from Peenemunde, as island off Germany’s Baltic coast. It traveled 118 miles. It proved extraordinarily deadly in the war and was the precursor to the Intercontinental Ballistic Missiles (ICBMs) of the postwar era.

On October 3, 1951, third baseman Bobby Thomson hits a one-out, three-run home run in the bottom of the ninth inning to win the National League pennant for the New York Giants. Thomson’s homer wrapped up an amazing come-from-behind run for the Giants and knocked the Brooklyn Dodgers, the Giants’ hated inter-borough rivals, out of their spot in the World Series. The Giants went on to lose the Series to the Yankees, but Thomson’s miraculous homer remains one of the most memorable moments in sports history.

On the evening of October 3, 1961, a future television classic called “The Dick Van Dyke Show” debuts on CBS. The sitcom’s inaugural episode—which revolves around the lead couple bickering over leaving sick son, Ritchie, with a babysitter while they go to a party—kicks off a beloved show that will run for five seasons and receive 15 Emmy awards.

A hunger strike by Irish nationalists at the Maze Prison in Belfast in Northern Ireland is called off after seven months and 10 deaths. The first to die was Bobby Sands, the imprisoned Irish Republican Army (IRA) leader who initiated the protest on March 1, 1981–the fifth anniversary of the British policy of “criminalization” of Irish political prisoners.

Less than one year after the destruction of the Berlin Wall, East and West Germany come together on what is known as “Unity Day.”

At the end of a sensational trial, former football star O.J. Simpson is acquitted of the brutal 1994 double murder of his estranged wife, Nicole Brown Simpson, and her friend, Ronald Goldman. In the epic 252-day trial, Simpson’s “dream team” of lawyers employed creative and controversial methods to convince jurors that Simpson’s guilt had not been proved “beyond a reasonable doubt,” thus surmounting what the prosecution called a “mountain of evidence” implicating him as the murderer.

On October 3, 2011, in a decision that makes international headlines, an Italian appeals court overturns the murder conviction of Amanda Knox, an American exchange student who two years earlier was found guilty in the 2007 murder of her British roommate, Meredith Kercher, in Perugia, Italy.