In 558 the dome of the church of St. Sophia in Constantinople collapsed. It was immediately rebuilt as ordered by Justinian. In 1274 the Second Council of Lyons opened in France to regulate the election of the pope. In 1429 the English siege of Orleans was broken by Joan of Arc. In 1525 the German peasants' revolt was crushed by the ruling class and church and in 1663 the first Theatre Royal was opened in London.