Major Events Mar 30 Boudouin IV with the Beard becomes earl of Flanders Jul 10 The city of Dublin is founded on the banks of the river Liffey Who Died in 988 AD Mar 30 Arnulf II, count of Flanders (965-988), dies May 6 Dirk II, West Frisian count of Holland May 19 Dunstan, English Archbishop of Canterbury, Abbot of Glastonbury Abbey, illustrator and silversmith (restored monastic life after era of Viking raids), dies at about 79 (canonized 1029) 987 AD History by Year 989 AD Medieval Popes Gregory I Gregory XIII Julius II Julius III Leo X Pius V