Singapore
National Day, 9 August (1965)
Sint Maarten
Queen's Day (Birthday of Queen-Mother JULIANA and
accession to the throne of her oldest daughter BEATRIX), 30 April
(1909 and 1980)
Slovakia
Constitution Day, 1 September (1992)
Slovenia
Independence Day/Statehood Day, 25 June (1991)
Solomon Islands
Independence Day, 7 July (1978)
Somalia
Foundation of the Somali Republic, 1 July (1960); note - 26
June (1960) in Somaliland
South Africa
Freedom Day, 27 April (1994)
Spain
National Day, 12 October (1492); year when Columbus first set
foot in the Americas
Sri Lanka
Independence Day, 4 February (1948)
Sudan
Independence Day, 1 January (1956)