History of the world's tallest buildings with no iron nails. It had a standing total height of 68 m (223 ft) or 80 m (262 ft), making it the tallest structure in East Asia and the tallest wooden structure in the world at the time of its construction. From the 13th century until 1894, the world's tallest building was always a church or cathedral. Old St Paul's Cathedral with its spire was completed in the 13th century. The central spire of Lincoln Cathedral surpassed Old St Paul's in the early 14th century. The Lincoln Cathedral's spire collapsed in 1549, beginning a long interval where the status
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