The world's first-ever television commercial aired exactly 75 years ago

Television commercials didn't always dominate the airwaves.
For the first years of the medium's existence, TV advertising was actually banned by the federal government (not that it stopped a few bold broadcasters from experimenting illegally).
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The American public wasn't introduced to the first legal TV ad until June 1, 1941 — exactly 75 years ago — when the Bulova Watch Co. interrupted a game between the Brooklyn Do