Calendario

• 01-01 1898 Manhattan, the Bronx, Brooklyn, Queens and Staten Island are consolidated into New York City
• 01-01 1892 The Ellis Island Immigrant Station in New York opens
• 01-03 1959 President Eisenhower signs a proclamation admitting Alaska to the Union as the 49th state
• 01-04 1896 Utah is admitted to the Union as the 45th state
• 01-05 1933 Calvin Coolidge's death
• 01-06 1912 New Mexico becomes the 47th state
• 01-06 1919 Theodore Roosevelt's death
• 01-07 1789 The first U.S. presidential election is held. Americans vote for electors who, a month later, will choose George Washington to be the nation's first president
• 01-07 1800 Millard Fillmore's birthday
• 01-08 1918 President Woodrow Wilson outlines his 14 points for peace after World War I
• 01-09 1913 Richard Milhous Nixon's birthday
• 01-11 1805 The Michigan Territory is created
• 01-16 1944 Gen. Dwight D. Eisenhower takes command of the Allied invasion force in London
• 01-17 Martin Luther King's birthday
• 01-18 1862 John Tyler's death
• 01-20 1981 Iran releases 52 Americans held hostage for 444 days, minutes after the presidency has passed from Jimmy Carter to Ronald Reagan
• 01-22 1973 Lyndon B. Johnson's death
• 01-22 1973 In its Roe vs. Wade decision, the Supreme Court legalizes abortions
• 01-23 1973 President Richard Nixon announces an accord has been reached to end the Vietnam War
• 01-23 1845 Congress decides all national elections would be held on the first Tuesday after the first Monday in November
• 01-26 1837 Michigan becomes the 26th state
• 01-29 1843 William McKinley's birthday
• 01-29 1861 Kansas becomes the 34th state of the Union
• 01-30 1882 Franklin Delano Roosevelt's birthday
• 01-31 1865 The House of Representatives passes a constitutional amendment to abolish slavery

• 02-02 1653 New Amsterdam - now New York City - is incorporated
• 02-03 1809 The territory of Illinois is created
• 02-03 1924 Thomas Woodrow Wilson's death
• 02-04 1789 Electors unanimously choose George Washington to be the first president of the United States
• 02-06 1911 Ronald Wilson Reagan's birthday
• 02-09 1773 William Henry Harrison's birthday
• 02-11 1945 President Roosevelt, British Prime Minister Winston Churchill and Soviet leader Josef Stalin sign the Yalta Agreement during World War II
• 02-12 1809 Abraham Lincoln's birthday
• 02-14 1912 Arizona becomes the 48th state of the Union
• 02-14 1859 Oregon is admitted to the Union as the 33rd state
• 02-21 1965 Former Black Muslim leader Malcolm X, 39, is shot to death in New York by assassins identified as Black Muslims
• 02-21 1972 President Richard M. Nixon begins his historic visit to China
• 02-22 1732 George Washington's birthday
• 02-22 1889 President Grover Cleveland signs a bill to admit the Dakotas, Montana and Washington state to the Union
• 02-23 1848 John Quincy Adams' death
• 02-24 1863 Arizona was organized as a territory
• 02-24 1868 The House of Representatives impeaches President Andrew Johnson following his attempt to dismiss Secretary of War Edwin M. Stanton the Senate later will acquit Johnson
• 02-26 1951 The 22nd Amendment to the Constitution, limiting a president to two terms of office, is ratified
• 02-27 1801 The District of Columbia is placed under the jurisdiction of Congress
• 02-28 1861 The Territory of Colorado is organized

• 03-01 1867 Nebraska becomes the 37th state
• 03-03 1845 Florida becomes the 27th state
• 03-03 1931 ''The Star-Spangled Banner'' officially becomes the national anthem of the United States
• 03-03 1849 Congress creates the Minnesota Territory
• 03-04 1791 Vermont becomes the 14th state
• 03-04 1789 The Constitution of the United States goes into effect as the first Congress meets in New York City
• 03-08 1930 William Howard Taft's death
• 03-08 1874 Millard Fillmore's death
• 03-13 1901 Benjamin Harrison's death
• 03-15 1767 Andrew Jackson's birthday
• 03-15 1820 Maine becomes the 23rd state
• 03-16 1751 James Madison's birthday
• 03-17 St. Patrick's day
• 03-18 1837 Grover Cleveland's birthday
• 03-26 1979 the Camp David peace treaty is signed by Israeli Prime Minister Menachem Begin and Egyptian President Anwar Sadat at the White House
• 03-28 1969 Dwight D. Eisenhower's death
• 03-29 1973 The last United States troops leaves South Vietnam, ending America's direct military involvement in the Vietnam War
• 03-29 1790 John Tyler's birthday
• 03-30 1867 Secretary of State William H. Seward reaches agreement with Russia to purchase the territory of Alaska for $7.2 million
• 03-30 1870 The 15th amendment to the Constitution, giving black men the right to vote, is declared in effect
• 03-30 1822 Florida becomes a U.S. territory

• 04-01 1789 The U.S. House of Representatives hold its first full meeting in New York City, Frederick Muhlenberg of Pennsylvania is elected the first speaker
• 04-03 1948 President Truman signs the Marshall Plan, which allocates more than $5 billion in aid for 16 European countries
• 04-04 1841 William Henry Harrison's death
• 04-04 1945 U.S. forces liberate the Nazi death camp Ohrdruf in Germany
• 04-04 1949 Twelve nations, including the United States, signs the North Atlantic Treaty
• 04-04 1818 Congress decides the U.S. flag would consist of 13 red and white stripes and 20 stars, with a new star to be added for every new state
• 04-04 1968 Civil rights leader Martin Luther King Jr., 39, is shot to death in Memphis, Tenn
• 04-09 1865 Confederate Gen. Robert E. Lee surrenders his army to Union Gen. Ulysses S. Grant at Appomattox Court House in Virginia
• 04-11 1945 American soldiers liberate the Buchenwald concentration camp in Germany
• 04-12 1861 The Civil War begins as Confederate forces fire on Fort Sumter in South Carolina
• 04-12 1945 Franklin D. Roosevelt's death. Vice President Harry S Truman becomes president
• 04-13 1743 Thomas Jefferson's birthday
• 04-14 1865 President Lincoln is shot and mortally wounded by John Wilkes Booth 
• 04-15 1865 Andrew Johnson becomes the 17th president of the United States after the assassination of Abraham Lincoln
• 04-20 1836 The Territory of Wisconsin is established by Congress
• 04-22 Earth day
• 04-22 1994 Richard Milhous Nixon's death
• 04-23 1789 President-elect George Washington and his wife move into the first executive mansion, the Franklin House in New York City
• 04-23 1791 James Buchanan's birthday
• 04-26 1607 An expedition of English colonists goes ashore at Cape Henry, Va., to establish the first permanent English settlement in the Western Hemisphere
• 04-27 1822 Ulysses S. Grant's birthday
• 04-28 1758 James Monroe's birthday
• 04-29 1945 American soldiers liberate the Dachau concentration camp in Germany
• 04-30 1900 Hawaii is organized as a U.S. territory
• 04-30 1803 The United States purchases the Louisiana Territory from France
• 04-30 1789 George Washington takes office in New York as the first president of the United States
• 04-30 1812 Louisiana becomes the 18th state

• 05-01 Loyalty day
• 05-02 1890 The Oklahoma Territory is organized
• 05-03 1802 Washington, D.C., is incorporated as a city
• 05-05 1961 astronaut Alan B. Shepard Jr. becomes America's first space traveler as he makes a 15-minute suborbital flight in a capsule launched from Cape Canaveral, Fla
• 05-07 1945 Germany signs an unconditional surrender at Allied headquarters in Rheims, France, to take effect the following day, ending the European conflict of World War II
• 05-08 1884 Harry S. Truman's birthday
• 05-11 1858 Minnesota becomes the 32nd state of the Union
• 05-17 1792 The New York Stock Exchange is founded by brokers meeting under a tree on what is now Wall Street
• 05-21 1832 The first Democratic National Convention gets under way, in Baltimore
• 05-22 1947 the Truman Doctrine is enacted as Congress appropriated military and economic aid for Greece and Turkey
• 05-25 1787 The Constitutional Convention is convened in Philadelphia
• 05-29 1848 Wisconsin becomes the 30th state of the union
• 05-29 1917 John Fitzgerald Kennedy's birthday
• 05-30 1854 The territories of Nebraska and Kansas are established
• 05-30 Memorial day

• 06-09 1987 President Reagan, during a visit to the divided German city of Berlin, publicly challenges Soviet leader Mikhail S. Gorbachev to "tear down this wall."
• 06-09 1792 Kentucky becomes the 15th state of the union
• 06-09 1924 George H. Bush's birthday
• 06-09 1838 The Iowa Territory is organized
• 06-09 2004 Ronald Reagan's death
• 06-09 1944 The U.S. Fifth Army begins liberating Rome during World War II
• 06-09 1845 Andrew Jackson's death
• 06-09 1868 James Buchanan's death
• 06-09 1944 the D-Day invasion of Europe takes place during World War II as Allied forces storms the beaches of Normandy, France
• 06-09 1968 Sen. Robert F. Kennedy is shot and mortally wounded just after claiming victory in California's Democratic presidential primary
• 06-09 1947 Secretary of State George C. Marshall, speaking at Harvard University, outlines an aid program for Europe that came to be known as the Marshall Plan
• 06-09 1796 Tennessee becomes the 16th state of the union
• 06-14 Flag day
• 06-14 1775 The United States Army is founded
• 06-14 1876 A group of U.S. settlers in Sonoma proclaims the Republic of California
• 06-14 1777 The Continental Congress in Philadelphia adopts the Stars and Stripes as the national flag
• 06-15 1836 Arkansas becomes the 25th state
• 06-15 1849 James K. Polk's death
• 06-16 1933 President Roosevelt opens his New Deal recovery program, signing bank, rail, and industry bills and initiating farm aid
• 06-17 1885 The Statue of Liberty arrives in New York City aboard the French ship Isere
• 06-17 1856 The Republican Party opens its first convention, in Philadelphia
• 06-19 1862 Slavery is outlawed in U.S. territories
• 06-21 1788 The U.S. Constitution goes into effect as New Hampshire became the ninth state to ratify it
• 06-21 1989 The Supreme Court rules that burning the American flag as a form of political protest is protected by the First Amendment
• 06-22 1870 Congress creates the Department of Justice
• 06-24 1908 Grover Cleveland's death
• 06-25 1876 Lt. Col. George A. Custer and his 7th Cavalry are wiped out by Sioux and Cheyenne Indians in the Battle of Little Big Horn in Montana
• 06-26 1963 President Kennedy visits West Berlin, where he makes his famous declaration: "Ich bin ein Berliner" (I am a Berliner). 
• 06-28 1836 James Madison's death

• 07-01 1863 The Civil War Battle of Gettysburg begins
• 07-02 1964 President Lyndon B. Johnson signs into law a sweeping civil rights bill
• 07-02 1776 The Continental Congress passes a resolution that ''these United Colonies are, and of right, ought to be, Free and Independent States.''
• 07-02 1926 The U.S. Army Air Corps is created
• 07-03 1775 Gen. George Washington takes command of the Continental Army at Cambridge, Mass
• 07-03 1863 The Civil War's Battle of Gettysburg in Pennsylvania ends after three days in a major victory for the North as Confederate troops retreated
• 07-03 1890 Idaho becomes the 43rd state
• 07-04 1802 The U.S. Military Academy opens at West Point, N.Y
• 07-04 1872 Calvin Coolidge's birthday
• 07-04 1960 The number of stars on the American flag is increased to 50 to honor the new state of Hawaii
• 07-04 Independence day
• 07-04 1826 Thomas Jefferson's death
• 07-04 1959 A 49th star is added to the American flag to represent the new state of Alaska
• 07-04 1826 John Adams' death
• 07-04 1831 James Monroes's death
• 07-06 1946 George W. Bush's birthday
• 07-07 1898 The United States annexes Hawaii
• 07-08 1776 Col. John Nixon gives the first public reading of the Declaration of Independence to a crowd gathered at Independence Square in Philadelphia
• 07-09 1850 Zachary Taylor's death
• 07-10 1776 The Declaration of Independence is read aloud to Gen. George Washington's troops in New York
• 07-10 1890 Wyoming becomes the 44th state
• 07-10 1943 U.S. and British forces invade Sicily during World War II
• 07-11 1977 The Medal of Freedom is awarded posthumously to the Rev. Martin Luther King Jr. in a White House ceremony
• 07-11 1798 The U.S. Marine Corps is created by an act of Congress
• 07-11 1767 John Quincy Adams' birthday
• 07-16 1790 The District of Columbia is established as the seat of the U.S. government
• 07-17 1821 Spain sells Florida to the United States
• 07-20 1861 The Congress of the Confederate States begins holding sessions in Richmond, Va
• 07-20 1969 Apollo 11 astronaut Neil Armstrong becomes the first man to walk on the moon
• 07-21 1949 The U.S. Senate ratifies the North Atlantic Treaty
• 07-22 1943 American forces led by Gen. George S. Patton captures Palermo, Sicily
• 07-23 1885 Ulysses S. Grant's death
• 07-24 1862 Martin Van Buren's death
• 07-24 1866 Tennessee becomes the first state to be readmitted to the Union after the Civil War
• 07-24 1929 President Herbert Hoover proclaims the Kellogg-Briand Pact, which renounced war as an instrument of foreign policy
• 07-25 1868 Congress passes an act creating the Wyoming Territory
• 07-25 1952 Puerto Rico became a self-governing commonwealth of the United States
• 07-25 1866 Ulysses S. Grant is named general of the Army, the first officer to hold the rank
• 07-26 1947 President Truman signs the National Security Act, creating the Department of Defense, the National Security Council, the Central Intelligence Agency and the Joint Chiefs of Staff
• 07-26 1788 New York becomes the 11th state to ratify the Constitution
• 07-27 1789 Congress establishes the Department of Foreign Affairs, the forerunner of the State Department
• 07-28 1868 The Fourteenth Amendment to the U.S. Constitution, guaranteeing due process and the equal protection of the laws to former slaves, is declared in effect
• 07-29 1805 Alexis De Tocqueville's birthday
• 07-29 1958 President Dwight D. Eisenhower signs the National Aeronautics and Space Act, which created NASA
• 07-30 1965 President Lyndon B. Johnson signs the Medicare bill into law
• 07-30 1619 The first representative assembly in America convenes in Jamestown, Va
• 07-31 1875 Andrew Johnson's death

• 08-01 1876 Colorado is admitted as the 38th state
• 08-02 1923 Warren G. Harding's death
• 08-03 1492 Christopher Columbus sets sail from Palos, Spain, on a voyage that will take him to the present-day Americas
• 08-04 1961 Barack Obama’s birthday
• 08-06 1945 The United States drop an atomic bomb on Hiroshima, Japan, during World War II
• 08-08 1974 President Nixon announcea he would resign following damaging revelations in the Watergate scandal
• 08-09 1945 Three days after the atomic bombing of Hiroshima, Japan, the United States explode a nuclear device over Nagasaki
• 08-10 1821 Missouri becomes the 24th state
• 08-14 1945 President Truman announces that Japan has surrendered unconditionally, ending World War II
• 08-17 1943 The Allied conquest of Sicily is completed as U.S. and British forces enter Messina
• 08-19 1946 William J. Clinton's birthday
• 08-21 1959 President Eisenhower signs an executive order proclaiming Hawaii the 50th state of the union
• 08-22 1846 The United States annex New Mexico
• 08-25 1944 Paris is liberated by Allied forces after four years of Nazi occupation
• 08-26 1920 The 19th Amendment to the U.S. Constitution, guaranteeing American women the right to vote, is declared in effect
• 08-27 1908 Lyndon B. Johnson's birthday
• 08-28 1963 200,000 people participate in a peaceful civil rights rally in Washington, D.C., where Dr. Martin Luther King Jr. delivers his "I Have a Dream"speech in front of the Lincoln Memorial

• 09-03 1783 The Treaty of Paris between the United States and Great Britain officially ends the Revolutionary War
• 09-05 Labor day
• 09-09 1850 California becomes the 31st state of the union
• 09-09 1776 The second Continental Congress makes the term ''United States'' official, replacing ''United Colonies.''
• 09-11 Patriot day
• 09-11 Suicide hijackers crash two airliners into the World Trade Center in New York, causing the twin towers to collapse. Another hijacked airliner hits the Pentagon and a fourth crashes in a field in Pennsylvania
• 09-13 1993 At the White House, Israeli Prime Minister Yitzhak Rabin and PLO chairman Yasser Arafat shake hands after signing an accord granting limited Palestinian autonomy
• 09-14 1901 William B. McKinley's death
• 09-15 1857 William Howard Taft's birthday
• 09-17 Constitution Day (Citizenship day)
• 09-19 1881 James A. Garfield's death
• 09-22 1862 Lyncoln's emancipation from slavery act
• 09-26 1789 Thomas Jefferson is appointed America's first secretary of state and John Jay the first chief justice of the United States
• 09-27 1964 The Warren Commission issues a report concluding that Lee Harvey Oswald has acted alone in assassinating President Kennedy
• 09-29 1943 General Dwight D. Eisenhower and Italian Marshal Pietro Badoglio sign an armistice aboard the British ship Nelson off Malta

• 10-05 1830 Chester A. Arthur's birthday
• 10-08 1869 Franklin Pierce's death
• 10-10 Columbus day
• 10-14 1890 Dwight David Eisenhower's birthday
• 10-20 1864 Herbert Hoover's death
• 10-27 1858 Theodore Roosevelt's birthday
• 10-27 Navy Day
• 10-28 1886 The Statue of Liberty, a gift from the people of France, ias dedicated in New York Harbor by President Cleveland
• 10-30 1735 John Adams' birthday
• 10-31 Halloween
• 10-31 1864 Nevada becomes the 36th state

• 11-02 1865 Warren G. Harding's birthday
• 11-02 1795 James K. Polk's birthday
• 11-02 1889 North Dakota and South Dakota become the 39th and 40th states
• 11-08 1889 Montana becomes the 41st state
• 11-11 Veterans day
• 11-11 1889 Washington becomes the 42nd state
• 11-16 1907 Oklahoma becomes the 46th state
• 11-18 1886 Chester A. Arthur's death
• 11-19 1863 President Lincoln delivers the Gettysburg Address as he dedicates a national cemetery at the site of the Civil War battlefield in Pennsylvania
• 11-19 1831 James A. Garfield's birthday
• 11-22 1963 President John F.Kennedy is assassinated while riding in a motorcade in Dallas
• 11-24 Thanksgiving day
• 11-24 1784 Zachary Taylor's birthday
• 11-26 1789 A day of thanksgiving is set aside by President George Washington to observe the adoption of the U.S. Constitution

• 12-01 1955 Rosa Parks, a black seamstress, defies the law by refusing to give up her seat to a white man aboard a Montgomery, Ala., city bus. Parks is arrested, sparking a year-long boycott of the buses by blacks
• 12-02 1823 President James Monroe outlines his doctrine opposing European expansion in the Western Hemisphere
• 12-03 1818 Illinois is admitted to the union as the 21st state
• 12-05 1782 Martin Van Buren's birthday
• 12-07 1941 Japanese warplanes attack the home base of the U.S. Pacific fleet at Pearl Harbor, an act that leads to America's entry into World War II
• 12-07 1787 Delaware becomes the first state to ratify the U.S. Constitution
• 12-07 National Pearl Harbor Remembrance Day
• 12-08 1941 The United States enter World War II as Congress declares war against Japan, a day after the attack on Pearl Harbor
• 12-10 1817 Mississippi is admitted to the union as the 20th state
• 12-10 1948 The U.N. General Assembly adopts its Universal Declaration on Human Rights
• 12-11 1816 Indiana becomes the 19th state
• 12-14 1799 George Washington's death
• 12-14 1819 Alabama joins the Union as the 22nd state
• 12-15 1791 The Bill of Rights, the first 10 amendments to the U.S. Constitution, takes effect following ratification by Virginia
• 12-18 1865 Slavery ends in the United States as the 13th Amendment to the U.S. Constitution is declared in effect
• 12-21 1620 Pilgrims aboard the Mayflower go ashore for the first time at present-day Plymouth, Mass
• 12-26 1972 Harry S. Truman's death
• 12-28 1856 Thomas Woodrow Wilson's birthday
• 12-28 1846 Iowa becomes the 29th state to be admitted to the Union
• 12-29 1845 Texas is admitted to the union as the 28th state
• 12-29 1808 Andrew Johnson's birthday
• 12-31 1862 President Abraham Lincoln signs an act admitting West Virginia to the Union