Mental Floss

GOVERNMENT

A fallout shelter sign left over from the Cold War still visible in Brooklyn, New York.

Tens of thousands of fallout shelter signs, with three yellow triangles in a black circle, are visible on building façades today. They serve as grim reminders of the hottest flashes of the Cold War. So why are they still around?

Tim Brinkhof




No taxation without representation!

Residents of Washington, D.C., have no governor, no voting representation in Congress, and only limited local authority. The reason is simple: D.C. isn’t a state. Let’s break down the history and future of D.C. statehood.

Zoë Randolph




It wasn’t one of Adams’s finest moments.

When John Adams penned a letter to future first lady Abigail Adams on July 3, 1776, he guessed how future generations of Americans would celebrate Independence Day with remarkable accuracy—but he got the date wrong.

Erik van Rheenen
Standing in solidarity helps create real change around the world.

Preparedness matters before attending a demonstration. Here’s everything you need to know about how to stay safe during a protest, from what to bring to what your rights are, and more.

Rudie Obias
The red, white, and blue.

Read on to discover which American president wanted to be a concert violinist, which carried a dictionary around in his pocket, who burned his official White House portrait, and why Joe Biden's dog made history.

Corinne Cummings


A mural titled ‘The Security of the People’ by Seymour Fogel, illustrating the values and programs put forth by the New Deal.

Nearly 100 years after the Great Depression, Americans are still benefiting from New Deal programs—and their protections and entitlements have become such a part of the social fabric that we often take them for granted. Here are just a few.

Colin Scanlon




The Dakotas didn't get along.

If the colony of Carolina and the Dakota Territory hadn’t decided to split themselves up, we’d have only 48 states right now. But why did these particular places become geographic variants of each other?

Leah Beckmann


The African American Civil War Memorial.

These tributes to fallen soldiers may not be as instantly recognizable as the Vietnam Memorial and others, but their stories are no less fascinating—including one that doubles as a mausoleum right in Manhattan.

Jake Rossen






Clerical workers processing forms for production requirement plan, Priorities Division, War Production Board.

Federal agencies come and go with each new presidential administration. Here are a few notable examples.

Adrienne Crezo


Add more heft to your TBR pile with these gripping fiction and nonfiction books.

The best Vietnam War books from Tim O’Brien, Viet Thanh Nguyen, and others offer new insights and perspectives into the conflict that you probably never got from history class.

Greg Zapata
Westsylvania is just one state that never made the cut.

The road to our 50 states is littered with wannabe territories that couldn't wait to be admitted to the union, but never quite got there. Here are 12 states that could have been.

M Asher Cantrell