Did you know facts › Year
Year did you knows
- Did you know in 1872 Yellowstone in the US was the world's first national park
- Did you know in 1900 the average life span in the US was 47
- Did you know the first credit card was a Diner's Club card issued in 1950
- Did you know the world's first roller coaster opened in 1884 at Coney Island New York
- Did you know instant mashed potatoes (dehydrated potato flakes) were invented in Canadian in 1962
- Did you know the corkscrew was invented in 1890
- Did you know the winter of 1932 was so cold that Niagara Falls froze over completely
- Did you know the typewriter was invented in 1829
- Did you know the dishwasher was invented in 1889
- Did you know the wristwatch was invented in 1904