Sky Witness
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"Sky Witness" was a ruler of the Maya city and major cultural center of Calakmul, also known as Kaan. He took the rulership some time prior to the year 561, and led Kaan into a war with rival Maya city-state Tikal (a.k.a Mutal), winning a major victory in 562 which broke Mutal's formerly extensive power in the southern Yucatán Peninsula for some decades.