Attack on Palenque by Calakmul

Date: April 23, 599 • Location: Calakmul, Mexico

Maya king Uneh Chan of Calakmul attacks rival city-state Palenque in southern Mexico, defeating queen Yohl Ik'nal and sacking the city.

Year 599 (DXCIX) was a common year starting on Thursday of the Julian calendar. The denomination 599 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.