Discover What Happened Today in History
Christopher Columbus departed from Palos de la Frontera, Spain, with three ships: the Niña, Pinta, and Santa María. This voyage, funded by the Spanish monarchy, led to his arrival in the Americas, initiating sustained European exploration and colonization of the New World.
Germany formally declared war on France, marking a pivotal escalation at the start of World War I. This action followed Germany's declaration of war on Russia and its implementation of the Schlieffen Plan, which aimed to quickly defeat France before turning east.
The USS Nautilus, the world's first operational nuclear-powered submarine, became the first vessel to reach the geographic North Pole by traveling beneath the Arctic ice cap. This demonstrated the strategic potential of nuclear submarines and opened new Arctic navigation routes.
The United States Senate voted 88-2 to ratify the Anti-Ballistic Missile (ABM) Treaty with the Soviet Union. This landmark Cold War arms control agreement limited each nation's anti-ballistic missile systems, aiming to curb the nuclear arms race by maintaining mutual vulnerability.
A strike by the Major League Baseball Players Association began, leading to the cancellation of 713 games, including the mid-season All-Star Game. The 50-day strike, centered on free agent compensation, was the first work stoppage in MLB to cause a significant loss of regular-season games.