The World Trade Center in New York City opened with ceremonies hosted by the governors of New York and New Jersey on this day in history, April 4, 1973.
Hollywood icon Bette Davis was born on April 5, 1908, in Lowell, Massachusetts. Davis went on to win two Academy Awards for Best Actress and was nominated 10 times for the award.
Jack Nicklaus, widely regarded as the greatest player in golf history, won the first of his record six Masters Tournament titles on this day in history, April 7, 1963.
Henry "Hank" Aaron broke Babe Ruth's career home run record on this day in history, April 8, 1975. Aaron hit his 715th home run, breaking Ruth's record of 714 homers.
British Prime Minster Sir Winston Churchill, one of the towering figures in western history, was declared an honorary US citizen on this day in history, April 9, 1963.
Months of rumors about the Beatles' breakup were confirmed in information released to global press by Paul McCartney on this day in history, April 10, 1970.
US Army forces under the command of Gen. George Patton liberated Buchenwald concentration camp in Weimar, Germany, on this day in history, April 11, 1945.
Bill Haley and His Comets recorded "(We're Gonna) Rock Around the Clock" in New York City on this day in history, April 12, 1954. It became rock 'n' roll's first hit.
Tiger Woods, 21, and a golf prodigy since he was a toddler, dominated the 1997 Masters Tournament with a 12-stroke win on this day in history, April 13, 1997.
On this day in history, April 14, 1910, President William Howard Taft became the first U.S.president to throw out the first pitch on baseball's Opening Day. The game was held in Washington, D.C.
President Abraham Lincoln died on this day, April 15, 1865, about nine hours after he was shot by actor John Wilkes Booth. Lincoln and his wife had been watching a play at Ford's Theatre in D.C.
Actor and producer Charlie Chaplin was born on this day in history, April 16, 1889, in London. He went on to perfect and refine the character Charlie the Tramp โ and was knighted in 1975.
The three astronauts on board the Apollo 13 mission safely returned to Earth after an explosion in space threatened their lives on this day in history, April 17, 1970.
It was considered a breakthrough for its time when, on this day in history, April 18, 1934, the first laundromat โ or "washateria," as it was called then โ opened in Fort Worth, Texas.
Gen. Douglas MacArthur delivered his "Old soldiers never die" speech to a joint session of Congress on this day in history, April 19, 1951. Earlier, MacArthur was relieved of his military duties.
On this day in history, April 20, 1898, the 25th president, William McKinley, went to Congress to ask for declaration of war on Spain in defense of Cuba, which had been battling Spain.
In the Texas War for Independence, the battle fought on the banks of the San Jacinto River saw 800 texans battle 1200 Mexican soldiers. General Sam Houston cried, "Remember the Alamo!"
Earth Day, a demonstration against pollution and for improved environmental policies, was first observed on this day in history, April 22, 1970. Demonstrations occurred nationwide.
Playwright William Shakespeare may have been born on this day in history, April 23, 1564, in Stratford-upon-Avon, England. He would also die on this day, on (possibly) his 52nd birthday.
The Library of Congress โ the U.S.'s oldest federal cultural institution โ was born on this day in history, April 24, 1800, when President John Adams approved the use of $5,000 to buy books.
The Hubble Space Telescope, proclaimed by NASA to be the most significant advance in astronomy since Galileo, was placed in orbit on this day in history, April 25, 1990.
Union troops hunted down John Wilkes Booth, the Confederate sympathizer who shot President Abe Lincoln, before finding him in a Virginia barn and killing him on this day in history, April 26, 1865.
The United States Marines Corps proved its resolve by leading a mercenary force on an incredible attack on Tripoli during the Barbary Wars on this day in history, April 27, 1805.
Heavyweight boxing champ Muhammad Ali refused to join the United States military at the height of the Vietnam War on this day in history, April 28, 1967.
The World War II Memorial opened to the public on this day in history, April 29, 2004, after more than two years of work on its construction. It honors the lives lost in WWII.
President George Washington was inaugurated as the first president of the United States on this day in history, April 30, 1789, at New York City's Federal Hall.
The Empire State Building, the world's tallest skyscraper at the time and perhaps still the most famous in the world, opened on this day in history, May 1, 1931.
The King James Version of the Bible, the most popular book in the English language, was published according to scholarly estimate on this day in history, May 2, 1611.
Margaret Mitchell earned a Pulitzer Prize in Novels for her Civil War epic "Gone with the Wind" on this day in history, May 3, 1937. She died tragically at age 48.