In what year did north Yemen and South Yemen unite?
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
Yemeni Reunification of the Yemeni Republic
Yemeni Confederation of the Yemeni Republic
Yemeni Reunification of the Yemeni Republic
Yemeni Confederation of the Republic of Yemen
Yemeni Reunification of Yemeni Arab Republic
Yemeni Reunification and Unification of Yemen
Yemeni Reunification of Yemeni Republic
Yemeni Reunification
Yemeni Reunification of Yemen
Yemeni Reunification of the Yemeni Federation
1990-Arab Reunification
1990-Arab Reunification Day
Yemeni Reunification
Yemeni Confederation of the Republic of Yemen
Yemeni Reunification and Unification of Yemen
Yemeni Confederation of the Yemeni Republic
Yemeni Reunification of the Yemeni Republic
Yemeni Reunification in 1990
Yemeni Reunification and Yemeni Independence
Yemeni Reunification of Yemeni Arab Republic
Yemeni Confederation of the Yemen Arab Republic
Yemeni Reunification of Yemeni Yemen
Yemeni Reunification of Yemen
Yemeni Reunification of Yemeni Republic
1990-Arab Reunification
1990-Arab Reunification Day
Yemeni Reunification of the Yemeni Federation
Yemeni Reunification
Yemeni Reunification of Yemeni Federation
Yemeni Reunification Day
1990-Hadhramaut
Yemeni Reunification of the Yemeni People
Yemeni Reunification and Unification of Yemen
Yemeni Reunification and Unification
Yemeni Reunification in 1990
Yemeni Confederation
Yemeni Reunification of Yemeni
Yemeni Confederation of Yemen
Yemeni Confederation of the Republic of Yemen
1990-Arab Reunification
Yemeni Reunification of the Yemen
1990-Arab Reunification Day
Yemeni Reunification
Yemeni Confederation of the Yemeni Republic
Yemeni Reunification of the Yemeni Republic
Yemeni Confederation of the Republic
Yemeni Reunification Day
Yemeni Reunification and Reunification
1990-Arab Reunification Year
Yemeni Reunification of Yemen
Yemeni Reunification of the Yemeni Federation
Yemeni Reunification and Yemeni Independence
Yemeni Confederation
Yemeni Reunification and Unification
1990-Hadramaut
Yemeni Reunification in 1990
Yemeni Reunification of Yemeni Republic
Yemeni Confederation of the Yemen Arab Republic
Yemeni Reunification of Yemeni Yemen
Yemeni Reunification and Unification of Yemen
1990-Arab Reunification
Yemeni Reunification Treaty of 1990
Yemeni Reunification Year
1990-A.D.
1990-Arab Reunification Day
Yemeni Reunification
Yemeni Reunification in Yemen
Yemeni Confederation of Yemen
Yemeni Reunification Treaty
Yemeni Reunification Day
Yemeni Reunification of the Yemen
Yemeni Reunification of the Yemeni Republic
1990-Neighborhood Solidarity
Yemeni Reunification and Reunification
1990-Arab Reunification Year
1990-Neighborhood Reunification
1990-Neighbourhood Accord
1990-A.H.
Yemeni Confederation of the Republic
Yemeni Confederation
Yemeni Reunification of Yemeni
Yemeni Reunification and Unification
Yemeni Reunification and National Reconciliation
Yemeni Reunification in 1990
1990 – unified Yemen
1990-Neighbourhood Day
Yemeni Reunification of Yemen
1990-Arab Reunification
Yemeni Reunification and Confederation
Yemeni Reunification Year
Yemeni Reunification of the Yemeni Federation
Yemeni Reunification Treaty of 1990
Yemeni Reunification and Nationalization
1990 Yemeni Reunification
Yemeni Reunification
1990 Yemeni Reunification Treaty
1990-Arab Reunification Day
1990-Neighborhood Accord
Yemeni Reunification of Yemeni Republic
1990-A.D.
1990-Neighbourhood 1
1990-Hadramawt
1990-Hadramaut
Yemeni Reunification Treaty
Yemeni Reunification Day
Yemeni Reunification of the Yemenites
Yemeni Reunification of the Yemeni Republic
Yemeni Reunification of Yemeni Yemen
Yemenite Reunification and National Reconciliation
1990-Arab Reunification Year
Yemeni Reunification and Reunification
1990 Yemeni Confederation
Yemeni Confederation
1990-Neighborhood Accords
1990-Neighbourhood Reconciliation
Yemeni Reunification and Conversion of Yemen
Yemeni Reunification of Yemeni Arab Republic
Yemeni Reunification and Unification
1990-A.H.
Yemeni Reunification in Yemen
1990 Yemeni Reunification and National Reconciliation
Yemeni Reunification and Unification of Yemen
Yemeni Reunification of the Yemeni Revolution
1990-Neighbourhood and Unity
Yemenite Revolution in Yemeni Revolution in Yemen
Yemeni Reunification, 1990
Yemeni Reunification of the Yemen
Yemeni Confederation of the Republic
Yemeni Confederation of Yemen
Yemenite Reunification of Yemen
1990-Neighbourhood Unity Day
Yemenite Reunification in 1990
1990-Neighborhood Solidarity
1990-Neighborhood Reunification
1990-Hadramaut Accord
Yemeni Reunification in 1990
1990-Arab Reunification
Yemeni Reunification Year
Yemeni Reunification
1990-Neighbourhood
Yemeni Reunification and Confederation
1990 Yemeni Reunification Day
1990-Neighbourhood-1
Yemeni Reunification of the Yemeni Federation
1990-Neighbourhood Accord
Yemeni Reunification of Yemen
Yemeni Revolution of 1990
1990-Arab Reunification Day
1990 Yemeni Reunification and Reunification
Yemenite Reunification
1990 Yemeni Reunification
1990 Yemeni Reunification Treaty
Yemenite Revolution in Yemeni Revolution of 1990
Yemeni Reunification and Reconciliation
Yemeni Reunification of Yemeni Republic
1990.
Yemeni Reunification Day
Yemeni Reunification and Conversion
Yemeni Reunification of Yemeni
Yemeni Federation of Arab Republics and North Yemen
1990 Yemeni Reunification and Arabization
1990-A.D.
Yemeni Confederation
Yemeni Reunification of the Yemeni Republic
1990-Arab Reunification Year
Yemeni Reunification and Reunification
1990 Yemeni Reunification and Unification
Yemeni Federation of Arab Republics and South Yemen
1990-Neighborhood Accord
1990-Neighbourhood Day
1990 Yemeni Confederation
Yemeni Reunification and Conversion of Yemen
1990-Hadramout
Yemenite Reunification of the Yemenites
Yemeni Reunification of the Yemeni Revolution
1990-Neighbourhood 1
Yemenite Constitutional Declaration of 1990
Yemeni Reunification Act
Yemeni Reunification of the Yemenites
Yemeni Reunification and Nationalization