Moldova
27 August 1991 (from Soviet Union)

Monaco
1419 (beginning of the rule by the House of Grimaldi)

Mongolia
11 July 1921 (from China)

Montenegro
3 June 2006 (from Serbia and Montenegro)

Montserrat
none (overseas territory of the UK)

Morocco
2 March 1956 (from France)

Mozambique
25 June 1975 (from Portugal)

Namibia
21 March 1990 (from South African mandate)

Nauru
31 January 1968 (from the Australia-, NZ-, and UK-administered
UN trusteeship)

Nepal
1768 (unified by Prithvi Narayan Shah)