On this date in 1931 a product with three active ingredients went on sale for the first time. What was it? And in 1989, a major event happened between the US and Soviet Union. Find out what it was during today's installment of Mark's Almanac.

On this day in 1866, work on the first underwater highway tunnel began in this U.S. city. Where was it, and how long did it take to complete? And on this date in 1950, President Harry Truman made a major announcement. Find out what it was during today's edition of Mark's Almanac.

On this date in 1775, an interesting thing happened during the Revolutionary War at George Washington's request. And in 1877, Thomas Edison was back at the drawing board again. Find out more during today's installment of Mark's Almanac.

On this day in 1907, a 23-year-old scrap metal dealer turned a run-down building into one that would later produce several famous stars. Find out the story on today's installment of Mark's Almanac.

On this date in 1924, a Thanksgiving tradition began in New York City. What was it? And in 1971, thanks to a computer error something happened in regards to the planet Mars. Find out on today's edition of Mark's Almanac!

On this date in 1948, a new camera debuted that people were willing to pay a pretty penny for. And price was a key component of a new game show that debuted in 1956 and has withstood the test of time. Find out more on Mark's Almanac.

On this date in 1904, a major event took place in Saint Louis, what was it? And in 1909, the Wright Brothers were back at it again. Find out what they were up to during this installment of Mark's Almanac.

On this date in 1963 that a United States President was assassinated in Dallas, Texas. Find out more during this edition of Mark's Almanac.

It was on this day in 1934 that the New York Yankees purchased the contract of a player from the minor leagues' San Francisco Seals who would go on to have a Hall of Fame career. Who was it? And in 1959, a few notables played at the President's Black Tie ball. Who were they? And a bonus, some information not known was provided regarding Watergate. What was it? Find out on today's Mark's Almanac.

On this date in 1923, a patent was issued that changed the landscape of driving forever. And in 1888, a jeweler developed an item that forever changed how working hours are tracked. Find out what it was on today's edition of Mark's Almanac.