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: US, USSR and 70 other nations agree to ban biological weapons at the Biological Weapons Convention

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

Source: Onthisday.com