| April on this day... |
| Day | Year | Event |
| 1 | 1889 | 1st dishwashing machine marketed (Chicago). |
| | 1984 | Marvin Gaye shot to death by his father Marvin Gaye Sr in LA. |
| 2 | 1912 | Titanic undergoes sea trials under its own power. |
| | 1956 | Soap operas "As the World Turns" & "Edge of Night" premieres on TV. |
| | 1978 | TV show "Dallas" premiers on CBS (as a 5 week mini-series). |
| 3 | 1882 | Jesse James shot dead in St Joseph Mo by Robert Ford. |
| 4 | 1968 | Rev Martin Luther King Jr assassinated in Memphis (Dream continues). |
| 5 | 1964 | Douglas MacArthur US general (Pacific theater-WW II), dies at 84. |
| | 1976 | Howard Hughes reclusive billionaire, dies at 72. |
| | 1992 | Sam Walton Billionaire CEO (Walmart), dies of cancer at 74. |
| 6 | 1968 | HemisFair 1968 opens in San Antonio, Texas. |
| 7 | 30 | Jesus crucified by Roman troops in Jerusalem (scholars' estimate). |
| 8 | 1986 | Clint Eastwood elected mayor of Carmel, California, Make his day. |
| 9 | 1865 | Robert E Lee & 26,765 troops, surrender to US Grant at Appomattox. |
| | 1953 | "TV Guide" publishes 1st issue. |
| | 1959 | Frank Lloyd Wright US architect, dies at 89. |
| | 1968 | Martin Luther King Jr, buried. |
| | 1970 | Paul McCartney announces official split of the Beatles. |
| 10 | 1849 | Safety pin patented by Walter Hunt (NYC) sold rights for $100. |
| | 1992 | Sam Kinison loud mouth comedian, dies at 38 in a car crash. |
| 11 | 1951 | Pres Truman fires Gen Douglas McArthur. |
| | 1981 | Ronald Reagan arrives home from hospital after Hinkley shot him. |
| 12 | 1945 | Franklin Roosevelt dies of a cerebral hemorrhage in Warm Springs, Ga. |
| | 1989 | Sugar Ray Robinson heavyweight Boxing Champ, dies at 67 of Alzheimer. |
| 13 | 1902 | JC Penney opened his 1st store in Kemmerer, Wyo. |
| | 1970 | Apollo 13 announces "Houston, we've got a problem!" as Beech-built oxygen tank explodes en route to Moon. |
| 14 | 1865 | Pres Abraham Lincoln shot in Ford's Theatre by John Wilkes Booth. |
| | 1912 | The Titanic, in route from Southampton to New York with 2200 passengers, strikes Iceburg off the coast of Halifax, Nova Scotia, and sinks. (1500+ death toll). |
| 15 | 1865 | Pres Abraham Lincoln dies, 7:22 am, John Wilkes Booth responsible. |
| | 1941 | 1st helicopter flight of 1 hr duration, Stratford, Ct. |
| | 1955 | Ray Kroc starts the McDonald's chain of fast food restaurants. |
| | 1992 | Billionaire Leona Helmsly is sent to jail for tax evasion. |
| 16 | 1789 | George Washington heads for 1st presidential inauguration. |
| | 1922 | Annie Oakley shot 100 clay targets in a row, a women's record. |
| | 1962 | Walter Cronkite begins anchoring CBS Evening News. |
| 17 | 1964 | Ford Mustang formally introduced ($2,368 base price). |
| | 1970 | Apollo 13 limps back safely, Beech-built oxygen tank no help. |
| 18 | 1955 | Albert Einstein developer of relativity theory, dies. |
| 19 | 1934 | Shirley Temple appears in her 1st movie, "Stand Up & Cheer". |
| | 1980 | Alfred Hitchcock dies in Calif at 80. |
| | 1993 | FBI tear-gas assault on the Branch Davidian compound in Waco, which came to a fiery end with more than 80 people dead. |
| | 1995 | Oklahoma City bombing killed 167 people, including 19 children. |
| 20 | 1916 | Wrigley Field in Chicago opens. |
| | 1999 | Columbine H.S. massacre in Littleton CO. leaves 15 dead and 23 wounded. |
| 21 | 1836 | Battle of San Jacinto, in which Texas wins independence from Mexico. |
| | 1918 | "Red" Baron Manfred von Richtofen, killed in WW I. |
| | 1963 | Beatles meet Rolling Stones for 1st time. |
| | 1986 | Geraldo Rivera opens Al Capone's vault on TV & finds nothing. |
| 22 | 1991 | Johnny Carson announces he will retire next year from Tonight Show. |
| 23 | 1616 | William Shakesphere English author, dies, on his 52nd birthday. |
| | 1985 | New Coke debuts to replace original Coke and is a flop. |
| 24 | 1833 | Patent granted for 1st soda fountain. |
| | 1974 | Bud Abbott dies at 78. |
| | 1981 | IBM-PC introduced. |
| 25 | 1980 | Announcement of Jimmy Carter hostage rescue bungle in Iran. |
| 26 | 1865 | John Wilkes Booth assassin, is shot dead near Bowling Green, VA. |
| | 1986 | Maria Shriver & Arnold Schwarzenegger marry. |
| | 1989 | Lucille Ball comedienne/actress dies at 78 of a massive heart attack. |
| 27 | 1937 | US Social Security system makes its 1st benefit payment. |
| 28 | 1914 | W H Carrier patents air conditioner. |
| 29 | 1813 | Rubber is patented. |
| | 1852 | 1st edition of Peter Roget's Thesaurus published. |
| | 1988 | Burt Reynolds & Loni Anderson marry. |
| 30 | 1945 | Adolph Hitler & wife Eva Braun commit suicide. |
| | 1947 | Boulder Dam renamed in honor of Herbert Hoover. |
| | 1991 | Cyclone kills 125,000 in Bangladesh. |