2014 Event Union backers and California legislators are seeking to raise the state's minimum wage to $13 per hour; Governor Jerry Brown ratified a law only 8 months ago to raise the wage to $10 an hour by 2016 1992 Event 27th Amendment ratified, prohibits Congress from raising its salary 1990 Event Namibia's constitution ratified 1988 Event Senate ratified a treaty eliminating medium-range nuclear missiles 1987 Event Suriname constitution ratified 1987 Event United Steel workers union ratified a concessionary with USX Corp 1972 Event Ceylon becomes Republic of Sri Lanka as its constitution is ratified 1972 Event Republic of Cameroon declared as constitution is ratified 1972 Event Congress approves Equal Rights Amendment (never ratified) 1967 Event 25th amendment (presidential succession) declared ratified 1964 Event 24th Amendment ratified, barring poll tax in federal elections 1961 Event 23rd Amendment ratified, allows Washington D.C. residents to vote for president 1951 Event 22nd amendment ratified, limiting president to 2 terms 1951 Event 22nd amendment to Constitution is ratified 1949 Event NATO, North Atlantic Treaty Organization, treaty ratified 1947 Event Agreement of Linggadjati ratified in Batavia 1933 Event 21st Am ratified, 18th Amendment, Prohibition, repealed 1919 Event Prohibition ratified by 3/4 of states; Nebraska is 36th 1913 Event 17th amendment (direct election of senators) declared ratified 1913 Event 17th amendment, requiring direct election of senators, ratified 1913 Event 16th Amendment ratified, authorizing income tax 1913 Event 16th Amendment, federal income tax, ratified 1911 Event Nicaragua signs treaty turning over customs to U.S., not ratified 1911 Event Honduras signs treaty turning over customs to U.S. (not ratified) 1899 Event Spanish-American War ends, peace treaty ratified by Senate 1876 Event Reciprocity Treaty between U.S. and Hawaii ratified 1868 Event 14th Amendment ratified, grants citizenship to ex-slaves 1865 Event 13th Amendment ratified, slavery abolished 1865 Event 13th Amendment is ratified, abolishing slavery 1834 Event 1st U.S. interstate crime compact (New York - New Jersey) ratified 1804 Event 12th amendment ratified; deals with manner of choosing president 1803 Event Congress accepts Ohio's constitution, statehood not ratified till 1953 1798 Event 11th Amendment ratified, judicial powers construed 1795 Event 11th Amendment to U.S. Constitution ratified, affirms power of states 1791 Event Bill of Rights ratified when Virginia gave its approval 1781 Event Articles of Confederation ratified by 13th state, Maryland 1778 Event Articles of Confederation ratified by 1st state, South Carolina 1679 Event Britain's King Charles II ratified Habeas Corpus Act 1648 Event Treaty of Munster: Spain and Netherlands ratified
