History of the world's tallest buildings <nowiki>*</nowiki> – Also set record at time of completion as tallest building ever built. The height of Lincoln Cathedral is disputed by some, but accepted by most sources. The completion date for the spire is given as 1311 rather than 1300 by some sources. Also the height of the spire of Old St Paul's Cathedral, destroyed by lightning in 1561, is disputed, for example Christopher Wren (1632–1723) judged that an overestimate and gave a height of . The spire of Mole Antonelliana in Turin, completed in 1889, is claimed to have been tall; however, the upper part of the structure
1311 massacre of Mongols in the Delhi Sultanate 1311 massacre of Mongols in the Delhi Sultanate In 1311, the Delhi Sultanate ruler Alauddin Khalji ordered a mass massacre of the "New Muslims" (Mongols who had recently converted to Islam), after some Mongol "amirs" of Delhi conspired to kill him. According to chronicler Ziauddin Barani, 20,000 or 30,000 Mongols were killed as a result of this order. The Khalji dynasty of the Delhi Sultanate was of Turkic ethnicity and had fought several wars against the Mongol invaders from Central Asia. In 1292, the Delhi Sultan Jalaluddin Khalji had permitted several thousand Mongols to settle in his empire after they