1215 in History
May 12 English barons serve ultimatum on king John without Country
June 15 King John signs Magna Carta at Runnymede, England
July 23 Frederik II crowns himself Roman Catholic king
July 25 Frederik II (20) crowned king of German
August 24 Pope Innocent III declares Magna Carta invalid
November 11 4th Lateran Council (12th ecumenical council) opens in Rome
November 30 Pope Innocent III closes 4th council of Lateranen