Black Fact = 1923 (Nov.20) – Garrett A. Morgan patented the Traffic Signal on this date in 1923. This three-way signal completely changed traffic control and was sold to General Electric for $40,000. Patent # 1,475,024. #theraydiotwins
BLACK FACT = (1942) Jimi Hendrix
Black Facts = 1942- Jimi Hendrix famed rock musician, was born. He was perhaps the greatest rock guitarist of all time. Born in Seattle, Washington, ...