Complex sentence: The recorded history of Quiriguá starts in 426, in the Early Classic (c.200--c.600); according to hieroglyphic inscriptions at other sites, on 5 September, of that year K'inich Yax K'uk'Mo' was enthroned as king of Copán.
Split into simpler sentences: The recorded history of Quiriguá starts in 426, in the Early Classic (c.200--c.600), according to hieroglyphic inscriptions at other sites. On 5 September, of that year K'inich Yax K'uk'Mo' was enthroned as king of Copán.