On this date in 1839, a new process was released in Paris that revolutionized photography. And in 1909, the first race was held on a test track that would become home to one of the world's most famous car races.
Today marks an important date in the history of a major American metropolis known as the windy city. And hear a historic recording from Thomas Edison that marks a discovery he made on this date in 1877.
On this date in 1921, a jury in Chicago rendered a "not guilty" verdict regarding one of the most infamous trials in baseball history. And in 1990, President George H.W. Bush made a major announcement.
On this date in 1927, a device considered a major medical breakthrough was installed at a hospital for the first time. And in 1928, test footage of a cartoon was released that would change the world forever.