Portal:United Nations Security Council Resolutions/1990
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- United Nations Security Council Resolution 647 Afghanistan-Pakistan (11 January)
- United Nations Security Council Resolution 648 Israel-Lebanon (31 January)
- United Nations Security Council Resolution 649 Cyprus (12 March)
- United Nations Security Council Resolution 650 Central America (27 March)
- United Nations Security Council Resolution 651 Iraq-Islamic Republic of Iran (29 March)
- United Nations Security Council Resolution 652 New member: Namibia (17 April)
- United Nations Security Council Resolution 653 Central America (20 April)
- United Nations Security Council Resolution 654 Central America (4 May)
- United Nations Security Council Resolution 655 Israel-Syrian Arab Republic (31 May)
- United Nations Security Council Resolution 656 Central America (8 June)
- United Nations Security Council Resolution 657 Cyprus (15 June)
- United Nations Security Council Resolution 658 Western Sahara (27 June)
- United Nations Security Council Resolution 659 Israel-Lebanon (31 July)
- United Nations Security Council Resolution 660 Iraq-Kuwait (2 August)
- United Nations Security Council Resolution 661 Iraq-Kuwait (6 August)
- United Nations Security Council Resolution 662 Iraq-Kuwait (9 August)
- United Nations Security Council Resolution 663 New member Liechtenstein (14 August)
- United Nations Security Council Resolution 664 Iraq-Kuwait (18 August)
- United Nations Security Council Resolution 665 Iraq-Kuwait (25 August)
- United Nations Security Council Resolution 666 Iraq-Kuwait (13 September)
- United Nations Security Council Resolution 667 Iraq-Kuwait (16 September)
- United Nations Security Council Resolution 668 Cambodia (20 September)
- United Nations Security Council Resolution 669 Iraq-Kuwait (24 September)
- United Nations Security Council Resolution 670 Iraq-Kuwait (25 September)
- United Nations Security Council Resolution 671 Iraq-Islamic Republic of Iran (27 September)
- United Nations Security Council Resolution 672 Territories occupied by Israel (12 October)
- United Nations Security Council Resolution 673 Territories occupied by Israel (24 October)
- United Nations Security Council Resolution 674 Iraq-Kuwait (29 October)
- United Nations Security Council Resolution 675 Central America (5 November)
- United Nations Security Council Resolution 676 Iraq-Islamic Republic of Iran (28 November)
- United Nations Security Council Resolution 677 Iraq-Kuwait (28 November)
- United Nations Security Council Resolution 678 Iraq-Kuwait (29 November)
- United Nations Security Council Resolution 679 Israel-Syrian Arab Republic (30 November)
- United Nations Security Council Resolution 680 Cyprus (14 December)
- United Nations Security Council Resolution 681 Territories occupied by Israel (20 December)
- United Nations Security Council Resolution 682 Cyprus (21 December)
- United Nations Security Council Resolution 683 Pacific Islands (Trust Territory) (22 December)