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)
Netherlands
23 January 1579 (the northern provinces of the Low
Countries conclude the Union of Utrecht breaking with Spain; on 26
July 1581 they formally declared their independence with an Act of
Abjuration; however, it was not until 30 January 1648 and the Peace
of Westphalia that Spain recognized this independence)
Netherlands Antilles
none (part of the Kingdom of the Netherlands)
New Caledonia
none (overseas territory of France); note - a
referendum on independence was held in 1998 but did not pass; a new
referendum is scheduled for 2014
New Zealand
26 September 1907 (from UK)
Nicaragua
15 September 1821 (from Spain)
Niger
3 August 1960 (from France)
Nigeria
1 October 1960 (from UK)