Born on This Day
Mary Jackson
1921 - 2005NASA's first Black female engineer who focused on the airflow around aircraft.
Hugh Hefner
1926 - 2017Founder of Playboy magazine, which helped shape the sexual revolution of the 1960s.
Lil Nas X
1999 -Singer-songwriter known for 2019's crossover country-rap hit "Old Town Road."
Mary JacksonGetty Images
Hugh HefnerGetty Images
Lil Nas XGetty Images for The Met Museum/
1965
APR9
The Houston Astrodome opens, the world's first indoor, air-conditioned domed sports stadium. A year later, the Dome made history again when it showcased the first installation of Astroturf.
Timeline
Also on This Day in History
Discover more of the major events, famous births, notable deaths and everything else history-making that happened on April 9th
Advertisement
Advertisement
Advertisement
Advertisement
Advertisement
Advertisement
Advertisement
Advertisement
Advertisement