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9Wednesday September 9Day 252 of 365 · 69% of the year
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September 9
On this day
9Germanic Wars: An alliance of Germanic tribes led by Arminius engaged Roman forces at the Battle of the Teutoburg Forest, defeating three legions within a few days.
The 0s began on January 1, AD 1 and ended on December 31, AD 9, covering the first nine years of the Common Era.
337After disposing of all relatives who possibly held a claim to the throne, Constantine II, Constantius II and Constans became Roman co-emperors.
Constantine II was Roman emperor from 337 to 340. He was the second son of Emperor Constantine I and the eldest son of his second wife, Flavia Maxima Fausta. He was proclaimed caesar by his father shortly after his birth. He was associated with military victor
Yelü Dashi, the Liao general who founded the Qara Khitai, defeated Seljuq and Kara-Khanid forces at the Battle of Qatwan, near Samarkand in present-day Uzbekistan.
Yelü Dashi, courtesy name Zhongde (重德), also known by his temple name as the Emperor Dezong of Western Liao (西遼德宗), was the founder of the Western Liao dynasty. He initially ruled as king from 1124 to 1132, then as emperor and gurkhan from 1132 to 1143. He was
Best known
Born on September 9
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