Long before Colin Kaepernick knelt, a Black female athlete defied the US national anthem, but she's been largely forgotten

She laced up her boots and sped on to the skating rink. A seemingly innocuous act, except in 1952 during a time of racial segregation in the US, this young Black woman departed the rink with a broken arm, her actions having infuriated White men intent on her exclusion.

source https://www.cnn.com/2021/04/26/sport/rose-robinson-forgotten-heroine-athlete-activism-cmd-spt-intl/index.html