Pope Urban II delivered a rousing speech at the Council of Clermont in France, calling on Western Christians to take up arms and aid the Byzantine Empire against Seljuk Turks while reclaiming the Holy Land. His appeal, promising remission of sins, ignited a mass movement that would send tens of thousands of knights, peasants, and clergy marching toward Jerusalem, reshaping medieval Europe and the Middle East for centuries.
Stanisław August Poniatowski was crowned King of Poland and Grand Duke of Lithuania in Warsaw. Elected largely through the influence of Russian Empress Catherine the Great, with whom he had once had a romantic relationship, Poniatowski would spend his three-decade reign attempting Enlightenment reforms while his kingdom was progressively dismembered by its neighbors, ending with the Partitions of Poland and his forced abdication in 1795.
President George Washington issued a proclamation designating November 26, 1789, as a national day of thanksgiving and prayer, at the request of Congress, to give thanks for the successful establishment of the new federal government under the Constitution. It was the first Thanksgiving proclamation issued by a U.S. president, though a fixed annual national holiday would not be established until Lincoln's presidency in 1863.
Charles Darwin's On the Origin of Species went on general sale in London, and booksellers snapped up the entire first printing of 1,250 copies within a day. The book laid out the theory of evolution by natural selection, backed by two decades of evidence Darwin had gathered since his voyage on HMS Beagle. It provoked immediate controversy among clergy and scientists alike while permanently transforming biology.
In the Valley of the Kings, Howard Carter and Lord Carnarvon broke through the final sealed doorway into the antechamber of Tutankhamun's tomb. Peering through a small gap with a candle, Carter saw treasures untouched since antiquity. The discovery became the most famous archaeological find of the 20th century, igniting a global craze for ancient Egypt.
The Imperial Japanese Navy's First Air Fleet, six aircraft carriers and dozens of escort ships under Vice Admiral Chuichi Nagumo, departed the remote, fog-shrouded Hitokappu Bay in the Kurils. Maintaining strict radio silence and taking a northern route to avoid shipping lanes, the fleet steamed toward Hawaii for the surprise attack on Pearl Harbor eleven days later, an operation that would draw the United States fully into World War II.
Apple sharply discounted its Lisa computer, an ambitious machine that had introduced a graphical user interface, windows, icons, and a mouse to the commercial market a year earlier at a steep $9,995 price. Sales had badly lagged expectations against IBM's PC dominance. The Lisa's innovations, though commercially unsuccessful, directly informed the far cheaper and more successful Macintosh, released in January 1984.
NASA launched Mars Pathfinder from Cape Canaveral aboard a Delta II rocket. The mission carried the Sojourner rover, a microwave-oven-sized vehicle that would land on Mars the following July using an innovative airbag system and become the first wheeled rover to operate on the Martian surface, paving the way for the much larger rovers that followed decades later.
Ten heavily armed terrorists arrived by boat and launched coordinated attacks across Mumbai, targeting the Chhatrapati Shivaji Terminus railway station, the Taj Mahal Palace and Oberoi Trident hotels, and the Nariman House Jewish center. The siege lasted nearly three days, killing 166 people and wounding over 300, and was watched live on television around the world as Indian commandos battled gunmen room by room.