1639 The "Fundamental Orders", the first written constitution that created a government, is adopted in Connecticut.
1791 The Constitution of May 3 (the first modern constitution in Europe) is proclaimed by the Sejm of Polish–Lithuanian Commonwealth.
1848 Carlo Alberto di Savoia signs the ''Statuto Albertino'' that will later represent the first constitution of the ''Regno d'Italia''
1849 Denmark becomes a constitutional monarchy by the signing of a new constitution.
1905 Czar Nicholas II of Russia grants Russia's first constitution, creating a legislative assembly.
1915 Denmark amends its constitution to allow women's suffrage.
1948 Edvard Beneš resigns as President of Czechoslovakia rather than signing a constitution making his nation a Communist state.
1958 France ratifies a new Constitution of France; the French Fifth Republic is then formed upon the formal adoption of the new constitution on October 4. Guinea rejects the new constitution, voting for independence instead.
1962 Newly independent Algeria, by referendum, adopts a Constitution.
1964 Vietnam War: A ''coup d'état'' replaces Duong Van Minh with General Nguyen Khanh as President of South Vietnam. A new constitution is established with aid from the U.S. Embassy.
1972 Ceylon adopts a new constitution, thus becoming a Republic, changes its name to Sri Lanka, and joins the Commonwealth of Nations.
1988 The Constitution of Turks and Caicos Islands is restored and revised.