23 oct. 787 - First Byzantine Iconoclasm Ends

Description:

Irene initiated a new ecumenical council, ultimately called the Second Council of Nicaea, which first met in Constantinople in 786 but was disrupted by military units faithful to the iconoclast legacy. The council convened again at Nicaea in 787 and reversed the decrees of the previous iconoclast council held at Constantinople and Hieria, and appropriated its title as Seventh Ecumenical Council. Thus there were two councils called the "Seventh Ecumenical Council," the first supporting iconoclasm, the second supporting icon veneration.

Unlike the iconoclast council, the iconophile council included papal representatives, and its decrees were approved by the papacy. The Orthodox Church considers it to be the last genuine ecumenical council. Icon veneration lasted through the reign of Empress Irene's successor, Nikephoros I (reigned 802–811), and the two brief reigns after his.