2015 has part(s) September 2015
September
September 9 – Queen Elizabeth II, having been on the throne for 63 years, 217 days, became the longest-reigning British monarch in history and the longest-serving head of state of any nation in modern history, surpassing Queen Victoria who had reigned for 63 years, 216 days upon her death on January 22, 1901.
September 10 – Scientists announce the discovery of Homo naledi, a previously unknown species of early human in South Africa.
September 13 – A partial solar eclipse was visible in South Africa, south Indian and Antarctica. It was the 54th eclipse of the 125th saros cycle which began with a partial solar eclipse on February 4, 1060, and will end on April 9, 2358.
September 14
First observation of gravitational waves: Gravitational waves are detected for the first time, by LIGO. This is not announced until February 11, 2016.
Malcolm Turnbull defeats Tony Abbott in a Liberal Party leadership ballot. Turnbull becomes Prime Minister of Australia, being sworn in the following day.
September 16 – An 8.4 earthquake strikes 46 km from Coquimbo (in Chile). 15 people are killed and 20 more injured.
September 18 – October 31 – The 2015 Rugby World Cup is held in England and is won by New Zealand
September 18 – Automaker Volkswagen is alleged to have been involved in worldwide rigging of diesel emissions tests, affecting an estimated 11 million vehicles globally.
September 20  – Snap legislative elections are held in Greece, following the resignation of prime minister Alexis Tsipras, to elect all 300 members of the Hellenic Parliament and the SYRIZA party, led by Alexis Tsipras comes out as the largest party winning 145 out of 300 seats.
September 24 – A stampede during the Hajj pilgrimage in Mecca kills at least 2,200 people and injures more than 900 others, with more than 650 missing.
September 28 – NASA announces that liquid water has been found on Mars.
September 30 – Russia begins air strikes against ISIL and anti-government forces in Syria, in support of the Syrian government.
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