872 John VIII began his reign as Roman Catholic pope. 1124 Theobald Buccapecus was elected Pope Coelestinus II (he refused). 1136 Harald IV 'Gylle Krist', King of Norway , was murdered. 1287 The Netherlands: In the St Lucia's Flood (Sint-Luciavloed), the Zuider Zee sea wall collapsed, killing approximately 50,000 to 80,000 people in