Uruguay
Independence Day, 25 August (1825)
Uzbekistan
Independence Day, 1 September (1991)
Vanuatu
Independence Day, 30 July (1980)
Venezuela
Independence Day, 5 July (1811)
Vietnam
Independence Day, 2 September (1945)
Virgin Islands
Transfer Day (from Denmark to the US), 27 March (1917)
Wallis and Futuna
Bastille Day, 14 July (1789)
Yemen
Unification Day, 22 May (1990)
Zambia
Independence Day, 24 October (1964)
Zimbabwe
Independence Day, 18 April (1980)