On This Day in History
Discover key historical events within the Genesis range (1950–2049) that occurred on this calendar day, and claim their commemorative registry plaques.
April 4
9 historical milestones registered between 1950 and 2049
American civil rights leader Martin Luther King Jr. (pictured) was assassinated in Memphis, Tennessee.
Wikipedia: Civil rights movement
A year after the completion of the second of the complex's twin towers, the World Trade Center in New York City was officially dedicated.
Wikipedia: Construction of the World Trade Center
A C-141, dubbed the Hanoi Taxi, flew the last mission of Operation Homecoming to return American prisoners of war from Vietnam.
Wikipedia: Lockheed C-141 Starlifter
Bill Gates and Paul Allen founded Microsoft in Albuquerque, New Mexico, to develop and sell BASIC interpreters for the Altair 8800.
Wikipedia: Bill Gates
Vietnam War: On a mission to evacuate children from South Vietnam, a U.S. Air Force plane crash-landed at Tan Son Nhut Air Base, killing 78 children and 60 others.
Wikipedia: Vietnam War
Evan Mecham, Governor of Arizona, was removed from office after being convicted in his impeachment trial.
Wikipedia: Evan Mecham
The current flag of Hong Kong (pictured) was adopted for post-colonial use during the Third Session of the Seventh National People's Congress.
Wikipedia: Flag of Hong Kong
Georgian Airways Flight 834 crashed at N'djili Airport in Kinshasa, killing 32 people and leaving one survivor.
Wikipedia: Georgian Airways Flight 834
A building collapsed on tribal land in Thane in Maharashtra, India, causing 74 deaths.
Wikipedia: 2013 Thane building collapse