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723
Centuries: 7th century - 8th century - 9th century
Decades: 670s 680s 690s 700s 710s - 720s - 730s 740s 750s 760s 770s
Years: 718 719 720 721 722 - 723 - 724 725 726 727 728
Events
- The world's first mechanical clock is allegedly built in China. See celestial globe.
Births
Deaths
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