Today, June 14, is Flag Day! This annual holiday celebrates the history and symbolism of the American flag. What do the stars and stripes on the flag represent? Learn all about Flag Day: Almanac.com/flag-day | The Old Farmers Almanac

On June 14, 2002, a 240-foot asteroid slipped past Earth...just 75,000 miles away, a third of the distance to the Moon. Had it struck, the blast would’ve rivaled a 60-megaton hydrogen bomb, four times stronger than the Tunguska explosion. Close calls like this remind us how thin the margin of safety really is in a cosmic shooting gallery. | The Randall Carlson

In 2004, a large earthquake in the Indian Ocean triggered the largest tsunami in recorded history. One of the countries hit by the tsunami was Sri Lanka, where the wave caused one of the worst train disasters in human history when it hit the Queen of the Sea passenger line, which was carrying 1,500 passengers along Sri Lanka's west coast. Watch Destruction Decoded on Wednesdays at 8pm on National Geographic UK. | National Geographic UK

President Trump recognizes how much support you’ve given him since our movement began. But most importantly, you’ve proven yourself to be a true friend. The President’s birthday is coming up on June 14, and we at Headquarters want to give him a card signed by ALL of his friends and family. His birthday card will NOT be complete without your signature and personal message. Please sign the card TODAY! | Donald J. Trump

President Trump’s birthday is June 14, so be sure to sign soon. He’ll read the name of every supporter who signs his card when we present it to him on his birthday. Will he see your name? Sign the Official President Trump Birthday Card to make sure he sees your name. | Donald J. Trump