Posted: Apr 27, 2014 02:53 AM MDT
Updated: Jul 15, 2016 02:04 AM MDT
COLORADO SPRINGS, Colo. - Scott Harrison does a live report to show how the weekend event known as Red Thumb Reminder works.
Constantinople falls, Bing Crosby records "White Christmas," Edmund Hillary and Tenzing Norgay reach the top of Mount Everest, and Janet Guthrie becomes the first woman to race in the Indy 500, all on this day.
The Spanish Armada sets sail for England, John Muir organizes the Sierra Club, Volkswagen is founded, Herb Alpert and the Tijuana Brass dominate the charts, and "The Last Supper" goes back on display after a two-decade restoration, all on this day.
A tornado nearly wipes out St. Louis, the Chrysler Building and the Golden Gate Bridge open, and the Sex Pistols court controversy with "God Save the Queen."
Memorial Day is a time to reflect on those who've died in service to the country while also being widely considered the unofficial start to summer for many Americans. Take a look at the numbers behind the holiday.