U.s history 1887-2008 By Nathan321 1776 Early American history 1776-1860 1860 civil war/ reconstruction (1860-1877) 1862 Homestead Act (1862) 1869 1869: Transcontinental Railroad Completed 1876 1876: Telephone invented by Alexander Graham Bell 1877 The Gilded Age (1877-1900) 1890 The Progressive Era (1890-1920) 1890 Sherman Antitrust Act (1890) 1898 Imperialism (1898-1910) 1914 World War I (1914-1918) 1920 roaring twenties (1920-1929) 1929 Great Depression (1929-1939) 1939 World War II (1939-1945) 1945 early Cold War (1945-1960) 1950 civil rights era (1950-1970) 1954 vietnam war (1954-1976) 1962 1962: Cuban Missile Crisis 1964 Gulf of Tonkin Resolution (1964): begins undeclared war in Vietnam 1965 1965: Medicare and Medicaid established 1968 1968: Tet Offensive Feb 24, 1969 Tinker v. Des Moines: defined the First Amendment rights for students in the United States Public Schools 1970 end of Cold War (1970-1991) 1971 1971: Pentagon Papers leaked 1971 26th Amendment: moved the voting age from 21 years old to 18 years old moved the voting age from 21 years old to 18 years old 1973 War Powers Act (1973): law limited the President’s right to send troops to battle without Congressional approval 1975 1975: Fall of Saigon, marks the end of the Vietnam War 1990 1990s- 21st century (1990-2008)