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Bet You Didn't Know: March on Washington (2:33)

Find out how Martin Luther King’s “I Have a Dream” speech became an impromptu addition to the March on Washington.

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Videos (17)

  • Bet You Didn't Know: March on Washington
    Bet You Didn't Know: March on Washington

    Video Clip (2:33)

    Find out how Martin Luther King’s “I Have a Dream” speech became an impromptu addition to the March on Washington.

    Video Clip (2:33)
  • Bet You Didn't Know: Prohibition
    Bet You Didn't Know: Prohibition

    Video Clip (2:46)

    Did you know it wasn't illegal to drink during Prohibition? Get the whole story behind the "noble experiment."

    Video Clip (2:46)
  • Bet You Didn't Know: Easter Traditions
    Bet You Didn't Know: Easter Traditions

    Video Clip (2:59)

    How did Easter traditions like the Easter bunny and egg hunts become part of the holiday celebration?

    Video Clip (2:59)
  • Bet You Didn't Know: Rosa Parks
    Bet You Didn't Know: Rosa Parks

    Video Clip (2:35)

    Did you know Rosa Parks wasn't the first African-American woman to refuse to give up her seat? Get the full story.

    Video Clip (2:35)
  • Bet You Didn't Know: Vikings
    Bet You Didn't Know: Vikings

    Video Clip (2:31)

    There's a lot more to these seafaring warriors than their famous longships. Get the full story.

    Video Clip (2:31)
  • Bet You Didn't Know: Pirates
    Bet You Didn't Know: Pirates

    Video Clip (2:40)

    There's more to pirates than parrots and plank-walking. Get the full story.

    Video Clip (2:40)
  • Bet You Didn't Know: St. Patrick's Day
    Bet You Didn't Know: St. Patrick's Day

    Video Clip (2:24)

    Get the real story about this beloved Irish holiday and the patron saint it's named after.

    Video Clip (2:24)
  • Bet You Didn't Know: Founding Fathers
    Bet You Didn't Know: Founding Fathers

    Video Clip (1:25)

    Our Founding Fathers were responsible for a lot more than the Declaration of Independence. Find out more about their legacy of innovation.

    Video Clip (1:25)
  • Bet You Didn't Know: London
    Bet You Didn't Know: London

    Video Clip (2:21)

    Once the largest empire in the world, London continues to top the charts in everything from finance to tourism.

    Video Clip (2:21)
  • Bet You Didn't Know: New Year's Eve
    Bet You Didn't Know: New Year's Eve

    Video Clip (2:24)

    Did you know that New Year's has not always been celebrated on January 1? Get the full story.

    Video Clip (2:24)
  • Bet You Didn't Know: Christmas
    Bet You Didn't Know: Christmas

    Video Clip (2:45)

    Did you know Christmas wasn't always celebrated on December 25th? Get the whole story behind the holiday.

    Video Clip (2:45)
  • Bet You Didn't Know: Thanksgiving
    Bet You Didn't Know: Thanksgiving

    Video Clip (2:38)

    Find out which traditional recipes weren't served at the first Thanksgiving celebration.

    Video Clip (2:38)
  • Bet You Didn't Know: Veterans Day
    Bet You Didn't Know: Veterans Day

    Video Clip (2:11)

    Do you know why Veterans Day is celebrated on November 11th every year? Get the whole story behind the holiday.

    Video Clip (2:11)
  • Bet You Didn't Know: Witches
    Bet You Didn't Know: Witches

    Video Clip (2:33)

    Get the real story behind witches, their hats and why they are said to ride on brooms.

    Video Clip (2:33)
  • Bet You Didn't Know: Halloween
    Bet You Didn't Know: Halloween

    Video Clip (2:15)

    It's one of America's favorite holidays, but what's the real story behind the tricks and treats of Halloween?

    Video Clip (2:15)
  • Bet You Didn't Know: London Landmarks
    Bet You Didn't Know: London Landmarks

    Video Clip (2:27)

    Get all the facts on London's most iconic landmarks.

    Video Clip (2:27)
  • Bet You Didn't Know: Independence Day
    Bet You Didn't Know: Independence Day

    Video Clip (2:19)

    Did you know New York City has the biggest fireworks display in the United States and that three U.S. presidents died on July 4?

    Video Clip (2:19)

Interactives (1)

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Bet You Didn't Know is new video series that clues you in to hidden trivia about famous places. Watch now to explore fascinating facts we bet you didn't know.

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