Timeline of United Nations peacekeeping missions

The United Nations has authorized 71 peacekeeping operations as of April 2018.

Peacekeeping operations are overseen by the Department of Peacekeeping Operations (DPKO) and share some common characteristics, namely the inclusion of a military or police component, often with an authorization for use of force under Chapter VII of the Charter of the United Nations.

[2] Peacekeeping operations are distinct from special political missions (SPMs), which are overseen by the Department of Political Affairs (DPA).

[3][4][5] Syria Lebanon Jordan Egypt Pakistan Indonesia Prevent conflict between Greek and Turkish Cypriots.

Pakistan (disputed between  Israel and  Syria) Pakistan Iran ( Namibia after 1990) Iraq (independence disputed by  Morocco) Bosnia and Herzegovina Republic of Macedonia Uganda Abkhazia (independence from Georgia not recognized by international community) (later  Kosovo, claimed by  Serbia) Indonesian Occupied East Timor (later independent  East Timor) Eritrea Chad

a person in a military uniform wearing a United Nations blue helmet
Canadian peacekeeper in 1976 wearing the distinctive UN blue helmet