FRIDAY, April 10, 2026

1407-Lama Deshin Shekpa visits the Ming Dynasty capital at Nanjing and receives the title Great Treasure Prince of Dharma

1815-Mount Tambora in the Dutch East Indies experiences a cataclysmic eruption, one of the most powerful in history, killing around 71,000 people and causing a global volcanic winter

1858-Big Ben, a 13.76-tonne bell, is recast at the Whitechapel Bell Foundry

1972-U.S., USSR and 70 other nations agree to ban biological weapons at the Biological Weapons Convention

1986-Benazir Bhutto returns to Pakistan

1989-Intel announces the shipment of the 486 microprocessor

1998-The Good Friday Agreement (Belfast Agreement) for Northern Ireland is signed by the British and Irish governments

2010-Polish Air Force Tu-154M crashes near Smolensk, Russia, killing all 96 people on board including President Lech Kaczyński