Born on This Day

Mary Jackson

1921 - 2005

NASA's first Black female engineer who focused on the airflow around aircraft.

Hugh Hefner

1926 - 2017

Founder 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

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