14 January – Salah Khalaf, also known as Abu Iyad, is assassinated.[1]
1 July – Eswatini (then Swaziland) recognizes the State of Palestine. 87 countries recognized the State of Palestine by the end of 1991 which is now counted as 90 countries due to the 1991 dissolution of the Soviet Union and the 1992 dissolution of Czechoslovakia.[2]
1 November – Madrid Conference of 1991: Third and last day of the conference. Some consider this day to be the last day of the First Intifada while others consider 13 September 1993, the day the Oslo I Accord was signed, as the last day.[4]
14 January – Salah Khalaf, also known as Abu Iyad, 57, Palestinian militant and the deputy chief and head of intelligence for the Palestine Liberation Organization.[1]
