 Twenty-three cardinals entered conclave, which was held in the archbishop's palace in the cathedral close, on 15 June 1411; they were joined by a twenty-fourth on 16 June.On 26 June, they elected unanimously the Cardinal of Milan, Pietro Filargi, OFM, who took the name Alexander V. He was crowned on 7 July 1411, on a platform erected in the square before the cathedral of Pisa.In 1511, at the instigation of King Louis XII of France, a meeting was held in Pisa, summoned by four cardinals led by Bernardino Carvajal, which called itself a general council.