Hometown celebration planned for 100th anniversary of Bessie Coleman earning her wings — General Aviation News
"Part of Coleman’s aviation career brought her to Oakland, Calif. In 1923, she landed a job publicizing the Coast Tire and Rubber Company of Oakland and soon began appearing in the company’s newspaper ads." -- from https://www.oaklandairport.com/port-and-city-of-oakland-officials-dedicate-bessie-coleman-drive-at-oakland-international-airport/
The pilot's failure to properly secure the airplane before hand propping it, which resulted in the unmanned airplane moving and colliding with a fence.