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in North Korea ( Day of the Foundation of the Republic 1948);
(2012) in the United States
National Grandparents Day refimprove
AD 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.
1488 – became Anne Duchess of Brittany, a central figure in the struggle for influence that led to the union of Brittany and France.
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.
James: unreferenced section (Ancestry); Battle: refimprove section
1839 – took the first John Herschel photograph on glass.
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.
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.
1965 – made its second landfall near Hurricane Betsy New Orleans, Louisiana, U.S., leaving 76 dead and becoming the first hurricane to cause over $1 billion (unadjusted) in damage.
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.
1969 – The of Canada came into force, giving both French and English equal status throughout the Official Languages Act Canadian national government.
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.
1990 – Sri Lankan Civil War: The Sri Lankan Army at least 184 massacred Tamil refugees in the Batticaloa District.
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2004 – A car bomb outside the Australian exploded embassy in Jakarta, Indonesia, killing at least nine people and injuring over 150 others.
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.
337 – After disposing of all relatives who possibly held a claim to the throne, , Constantine II , and Constantius II became Roman co- Constans emperors.
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.
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.
1954 – The 6.7 M w struck Algeria, leaving at least 1,243 people dead and 5,000 injured, and forced the government to implement comprehensive reforms in Chlef earthquake building codes.
1971 – John Lennon's solo album was released. Imagine
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: (b. 1711) Thomas Hutchinson · (b. 1823) Joseph Leidy · (d. 1841) Augustin Pyramus de Candolle · (d. 1870) Louise Lehzen · (b. 1890) Colonel Sanders · (b. 1980) Michelle Williams · (d. 1985) Neil Davis
: September 9 (Shia Islam, 2019); Day of Tasu'a Independence Day in ( Tajikistan 1991)
(b. 1877) Frank Chance · (b. 1935) Chaim Topol · (d. 2003)