THIS DAY IN HISTORY
Battle of Nineveh: A Byzantine army under Emperor Heraclius defeats Emperor Khosrau II's Persian forces, commanded by General Rhahzadh.
First Crusade: Massacre of Ma'arrat al-Numan Crusaders breach the town's walls and massacre about 20,000 inhabitants.
Delhi replaces Calcutta as the capital of India.
King George V of the United Kingdom and Mary of Teck are enthroned as Emperor and Empress of India.
The Majlis of Iran votes to crown Reza Khan as the new Shah of Persia.