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  • Emperor Taizong of the Tang dynasty sends a Chinese expeditionary force, to invade and annex the Tarim Basin kingdom of Karasahr in Xinjiang, a vassal of the Western Turkic Khaganate. The oasis state is conquered, and Western Turks sent to assist Karasahr are defeated by the Tang forces.[1]
  • Zenkoji, a Buddhist temple and landmark spot in Nagano, Japan, is officially built by Empress Kogyoku.[citation needed]