1988
1990
United Nations Security Council Resolution 627 International Court of Justice (9 Jan)
United Nations Security Council Resolution 628 Angola (16 Jan)
United Nations Security Council Resolution 629 Namibia (16 Jan)
United Nations Security Council Resolution 630 Israel-Lebanon (30 Jan)
United Nations Security Council Resolution 631 Iraq-Islamic Republic of Iran (8 Feb)
United Nations Security Council Resolution 632 Namibia (16 Feb)
United Nations Security Council Resolution 633 Israel-Syrian Arab Republic (30 May)
United Nations Security Council Resolution 634 Cyprus (9 June)
United Nations Security Council Resolution 635 Marking of explosives (14 June)
United Nations Security Council Resolution 636 Territories occupied by Israel (6 July)
United Nations Security Council Resolution 637 Central America (27 July)
United Nations Security Council Resolution 638 Hostage-taking (31 July)
United Nations Security Council Resolution 639 Israel-Lebanon (31 July)
United Nations Security Council Resolution 640 Namibia (29 Aug)
United Nations Security Council Resolution 641 Territories occupied by Israel (30 Aug)
United Nations Security Council Resolution 642 Iraq-Islamic Republic of Iran (29 Sept)
United Nations Security Council Resolution 643 Namibia (31 Oct)
United Nations Security Council Resolution 644 Central America (7 Nov)
United Nations Security Council Resolution 645 Israel-Syrian Arab Republic (29 Nov)
United Nations Security Council Resolution 646 Cyprus (14 Dec)