• Period 1900-1909
• Period 1910-1919
• Period 1920-1929
• Period 1930-1939
• Period 1940-1949
• Period 1950-1959
• Period 1960-1969
• Period 1970-1979
• Period 1980-1989
• Period 1990-1999
• Period 2000-2009
• Period 2010-2019
• UN Mission for the Referendum in Western Sahara (MINURSO) 1991 - 1994
• UN Special Commission (UNSCOM) 1991 - 1998
• United Nations Command Military Armistice Commission Korea (UNCMAC) 1953 - 2014
• United Nations Commission on Korea (UNCOK) 1950
• United Nations Mission in Ethiopia/Eritrea (UNMEE) 2000 - 2008
• New Zealand Wars, 1845-1872
• Sudan, 1885
• South Africa, 1899-1902 (Boer War)
• China, 1900-1901 (Boxer Uprising)
• First World War, 1914-1918
• Second World War, 1939-1945
• Malayan Emergency, 1948-1960
• Korea, 1950-1953
• Thailand, 1960-1968
• Indonesian Confrontation, 1962-1966
• Vietnam, 1962-1975
• Malay Peninsula, 1964-1966
• Afghanistan/Pakistan (UNMCTT), 1989-1993
• Gulf War, 1990-1991
• Cambodia (UNAMIC), 1991-1992
• Somalia, 1992-1995
• Rwanda (UNAMIR), 1993 - 1996
• East Timor, 1999-2013
• Afghanistan, 2001-
• United Nations Protection Force, Croatia, Bosnia-Herzegovina and Macedonia (UNPROFOR) 1992 - 1995
• Afghanistan (11 October 2001 - Continuing)
• Peacekeeping Operations