YAR and PDRY sign agreement to unify the two states. Constitution of unified Yemen published. Formal unification of PDRY and YAR amid protests from pro-Islamic groups opposed to secular constitution. Ali Saleh becomes president of the Republic of Yemen. 1991 Yemeni guest workers expelled by Saudi Arabia in retaliation for Yemen's position over the Iraqi invasion of Kuwait.
Arab states boycott independence celebrations.
1992 Assassinations and political unrest delay elections. 1993 Elections return ruling parties to power. 1994 Southern secessionists defeated in civil war. 1997 President Saleh's GPC wins an absolute majority of seats in general election. 1998-1999 Violent border dispute with Saudi Arabia.