The Fermi Gamma-ray Space Telescope is launched into orbit.
The Fermi Gamma-ray Space Telescope is launched into orbit.
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The Fermi Gamma-ray Space Telescope is launched into orbit.
King Alexander assumes the throne of Greece after his father, Constantine I, is deemed to have abdicated under pressure from allied armies occupying Athens.
The Limelight Department, one of the world's first film studios, is officially established in Melbourne, Australia.
Johann Sebastian Bach leads his cantata O Ewigkeit, du Donnerwort (O eternity, you word of thunder), BWV 20, on the first Sunday after Trinity, beginning his second cycle, the chorale cantata cycle.
Born: John IV, Duke of Brabant (died 1427).
Died: Yolanda of Poland (born 1235).
Emperor Taizong of Tang sends envoys to the Xueyantuo bearing gold and silk in order to seek the release of Chinese prisoners captured during the transition from Sui to Tang.
Marcomannic Wars: The Roman army in Moravia is encircled by the Quadi, who have broken the peace treaty (171). In a violent thunderstorm, emperor Marcus Aurelius defeats and subdues them in the so-called "miracle of the rain".