On this day...

September 1: Start of the Liturgical year (Eastern Orthodox Church);Labour Day in Canada and Labor Day in the United States (2014);Constitution Day in Slovakia 1604 – Sri Guru Granth Sahib, the religious text ofSikhism, was installed at Harmandir Sahib. 1804 – German astronomer Karl Ludwig Hardingdiscovered one of the largest main belt asteroids, naming it Juno after the Roman goddess. 1914 – The passenger pigeon, which once had a population of at least 3 billion birds, became extinct, when the last individual (pictured) died in captivity. 1928 – Ahmet Zogu, President of the Albanian Republic, declared the country was now a constitutional monarchy and himself king with the regnal name Zog I. 1972 – American chess grandmaster Bobby Fischer became the 11th World Chess Champion when he defeated Russian Boris Spassky in a match that was widely publicized as a Cold Warconfrontation.