How did flag burning become a protected act of free speech? Did the United States v. Nixon determine that the President can't, basically, act like a king through executive privilege? Are corporations people? Let's take a look at some U.S. Supreme Court cases that changed America in profound ways.

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The three branches of the U.S. federal government—executive, legislative, and judicial—keep each other in line through a system of "checks and balances." What roles do each play? And who puts the brakes on the POTUS?

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How do you get involved in U.S. Democracy? Here's a crash course on next-level civic participation. Yep, we're talking about putting your money or your giant poster board sign where your mask-covered mouth is.

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Who's responsible for the Electoral College? (Hint: There's a wildly popular Broadway musical about him.) We'll dish on that and everything you need to know about the U.S. election process in the inaugural episode of our Unknown History miniseries, A User's Guide to Democracy.

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Newspapers mocked his candidacy. Opponents underestimated him. And yet, he came to occupy the Oval Office as a U.S. President. Who is he? Not who you think!

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Today we have a special guest post for Unknown History listeners. David Crowther hosts the History of England podcast, where he delves into England's history from the end of Roman Britain to present day. This episode focuses on Queen Mary, Lady Elizabeth, and their strained relationship in 1500's England. Listen to learn about the queen's attempt to "remove a thorn" from her rule.

Learn more about the History of England Podcast at: https://thehistoryofengland.co.uk/

In the last episode from Season 3 of Unknown History, we learn how the American Troops finally won the beach from German defenders at Omaha Beach. This episode was supported by MagellanTV. For an exclusive two-month free trial of all MagellanTV has to offer, visit magellantv.com/unknownhistory

Today, we hear from the other side of D-Day—the German colonel tasked with driving the Allied forces off the beaches. Could the panzer tank division and its colorful leader turn the tide on June 6, 1944?

This episode was supported by MagellanTV. For an exclusive two-month free trial of all MagellanTV has to offer, visit http://magellantv.com/unknownhistory.

Upon landing at Sword Beach the morning of June 6, 1944, one group of eite British commandos were accompanied by a Highland bagpiper, who emphasized the greatness of their victory. This episode was supported by MagellanTV. For an exclusive two-month free trial of all MagellanTV has to offer, visit http://magellantv.com/unknownhistory

A group of American Rangers, led by the bold James Rudder, were some of the strongest and bravest soldiers in D-Day battles. Learn how they sabotaged a giant stockpile of German weapons aimed at Normandy beaches.