On this day, August 23, 1892, inventor Oscar Brown invented the horseshoe. Brought to you by the Black365 Calendar. Find out more at BlackHistoryCards.com.
On this day, July 21, 1889, inventor W.A. Martin patented the lock that was the forerunner to the modern door lock. Brought to you by the Black365 Calendar. Find out more at www.Black365.US.
On this day, July 6, 1971, Henry Sampson invented the “gamma-electric cell,” which led to the cell phone. Brought to you by the Black365 Calendar. Find out more at www.Black365.US.
