U.S. mailboxes have been many different colors, but blue was adopted surprisingly recently. Here's the story behind the shade.

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Prove your ‘80s music knowledge with this 32-question trivia quiz.
The "Free Fallin'" songsmith wrote with George Harrison, Stevie Nicks, and Bob Dylan.
This diplomat remained convinced that Americans were celebrating the wrong day.
A look back at five iconic school lunch desserts popular in the 2000s. This list examines the sugary cafeteria staples that were common during the decade, from strawberry shortcake bars to cookies.
Mozart once wrote an entire symphony in just four days. From Haydn to Schumann, these composers penned these beloved classical music staples at astounding rates.
Utah has the least number of smokers, but which state has the most?
Frida Kahlo's letters to her friends and lovers, sometimes sealed with a lipstick kiss, display both the artist's vulnerability and her precision.
These 1980s summer blockbusters remain just as entertaining decades later.
The phrase "put a sock in it" has been telling people to quiet down for more than a century. Here's the most likely story behind the expression.
Elton John has had some major hits, but how well do you remember them? Can you name them from one random lyric?
Step aside, Rhaenyra and Daemon. These historical succession conflicts take the cake.
Accidents, the search for immortality, and war may have all played roles in the development of these aerial attractions. Here's how the word "fireworks" came to be.
From Bruce Springsteen to James Brown, expect to hear these at your holiday barbecue.
Take a trip down memory lane with these nostalgic scents this Fourth Of July.
From American history and geography to patriotic symbols and famous landmarks, see how many of these classic U.S. trivia questions you can answer correctly.
"I have noticed that nothing I have never said ever did me any harm."
From secret messages to the Liberty Bell, some of what you might believe about July 4, 1776 and the Declaration of Independence may be entirely incorrect.
Planning an Independence Day cookout? We’ve rounded up five legendary, Fieri-vetted hot dog spots across the U.S. that deserve a spot on your road trip bucket list.