If you knew this, you are either very old or spend a lot of time watching old movies from the 1920s or 1930s. "I'm free, white and 21" was a popular catchphrase nearly 100 years ago in American culture, as reflected in Hollywood films.
Jezebel magazine assembled this video montage of scenes from early talkies and silent films in which characters used the phrase -- or variations playing off of it.
What does this say about that era? Perhaps that it was commonly accepted that being black was a disadvantage?
There was a time when I hated our President. A time when I believed that billionaires were ruining the world and that vaccines didn’t cause autism. A time when I believed in things like institutional racism and global warming. Then ... -- https://thehardtimes.net
The Philadelphia Flyers have covered the statue of Kate Smith outside the Wells Fargo Center and will stop using her recording of "God Bless America" as an allegation of racism against the singer has come to light. -- https://6abc.com
One day after it was revealed the Yankees removed Kate Smith's rendition of "God Bless America" due to "potential racism" in past works, the Flyers also cut ties with the legendary singer. -- https://www.nj.com
The Philadelphia Flyers have removed a statue of late singer Kate Smith outside NHL team's arena, two days after covering it amid allegations of racism against the 1930s star with a popular recording of "God Bless America." -- https://www.ctvnews.ca