1184 BC Trojan War: Troy is sacked and burned, according to calculations by Eratosthenes
631 Emperor Taizong of Tang of China, sends envoys to the Xueyantuo bearing gold and silk for the release of Chinese prisoners captured during transition from Sui to Tang from northern frontier; succeeds in freeing 80,000
758 Diplomatic dispute at Tang Chinese capital Chang'an when Abbasid Arabs and Uyghur Turks both arrive to offer tribute. Settlement reached when both enter at same time through two different gates.
1144 Basilica of St Denis is dedicated near Paris, the first fully Gothic church