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(2012) in the United States National Grandparents Day refimprove
9 – Germanic Wars: An alliance of Germanic tribes led by Arminius engaged Roman forces led by Publius Quinctilius Varus at the , defeating three of the Battle of the Teutoburg Forest legions within the next few days. refimprove sections
337 – After disposing of all relatives who possibly held a claim to the throne, , Constantine II , and Constantius II jointly became Constans Roman emperors. Constantius: unreferenced section
1488 – became Anne Duchess of Brittany, a central figure in the struggle for influence that led to the union of Brittany and France. unreferenced section
1513 – War of the League of Cambrai: was killed at the James IV of Scotland in Battle of Flodden Northumberland while leading an invasion of England. refimprove section
1839 – took the first John Herschel photograph on glass (pictured). unsourced paragraphs
1850 – As per the conditions of the Compromise of 1850, was admitted into the United States as a California free state, despite the fact that Southern California was south of the parallel 36°30' north. refimprove section
1944 – With the help of the advancing forces of the Soviet Red Army, the Bulgarian government of Konstantin Muraviev with a government of the was overthrown and replaced Fatherland Front. refimprove
1965 – made its second landfall near Hurricane Betsy New Orleans, Louisiana, US, leaving 76 dead and becoming the first hurricane to cause over $1 billion (unadjusted) in damage. refimprove section
1968 – The remainder of the area donated to the in Great Swamp National Wildlife Refuge Morris County, New Jersey, was dedicated and it became the United States' first refuge to receive wilderness designation. refimprove
1969 – The of Canada came into force, giving both French and English equal status throughout the Official Languages Act Canadian national government. refimprove section
1971 – Inmates of the seized control Attica Correctional Facility in Attica, New York, US, taking 33 guards hostage, before police were able to retake the prison four days later. irrelevant material
1990 – Sri Lankan Civil War: The Sri Lankan Army at least 184 massacred Tamil refugees in the Batticaloa District. needs more footnotes
2004 – A car bomb outside the Australian exploded embassy in Jakarta, Indonesia, killing at least nine people and injuring over 150 others. globalize
2009 – The , the first urban train network in the Dubai Metro Arabian Peninsula and the world's longest fully automated metro network, was ceremonially inaugurated at 9:09:09 PM. outdated
1141 – Yelü Dashi, the Liao dynasty general who founded the Qara-Khitai, defeated the Seljuq and Kara-Khanid forces at the near Battle of Qatwan Samarkand, present-day Uzbekistan.
1739 – The , at the time the largest Stono Rebellion slave rebellion in the Thirteen Colonies of British America, erupted near Charleston, South Carolina.
1791 – The commissioners overseeing the construction of the United States' new capital city named it in honor of the first president: Washington, D.C.
1892 – At Lick Observatory, Edward Emerson Barnard discovered , the third moon of Amalthea Jupiter and the last natural satellite discovered by direct visual observation.
1939 – World War II: About 3,000 Polish Army forces began of the a nearly month-long defence Hel Peninsula during the German invasion of Poland.
2001 – , leader of the Ahmad Shah Massoud Northern Alliance, was assassinated in Afghanistan.
2010 – A natural gas pipeline in exploded San Bruno, California, U.S., creating a "wall of fire more than 1,000 feet (300 m) high". Born/died this day:
: September 9 (Shia Islam, 2017); Eid al-Ghadeer Republic Day in ( North Korea 1948); Independence Day in ( Tajikistan 1991)
John Lennon in 1971
(d. 1870) Louise Lehzen · (b. 1890) Colonel Sanders · (d. 1917) Madge Syers