Christopher Klein is the author of four books, including When the Irish Invaded Canada: The Incredible True Story of the Civil War Veterans Who Fought for Ireland’s Freedom and Strong Boy: The Life and Times of John L. Sullivan. His work has appeared in numerous publications, including The Boston Globe, The New York Times, and National Geographic Traveler. Follow Chris at @historyauthor.
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A would-be assassin's bullet was slowed by Roosevelt's dense overcoat, steel-reinforced eyeglass case and hefty speech squeezed into his right jacket pocket.
The Founding Fathers passed the country’s first whistleblower protection law just seven months after signing the Declaration of Independence. The government even footed the legal bills.
An 1830 battle between steam and horse power marked the moment when the Industrial Revolution changed transportation forever.
The “Great Arctic Outbreak” of February 1899 set temperature and snowfall records from Michigan to Florida.
After being hit by a Japanese suicide plane, the crew of the USS Comfort were forced to tend to their own.
St. Patrick may be the patron saint of Ireland, but many St. Patrick’s Day traditions were born in the United States.
In the bottom of the ninth in Game 7 of the wild 1960 World Series, Bill Mazeroski of the underdog Pittsburgh Pirates toppled the mighty New York Yankees.
These Civil War veterans orchestrated one of the most audacious acts of the Fenian Brotherhood in the Americas.
In the 1990s, eight adventurers spent two years separated from the rest of the world inside a futuristic greenhouse meant to mimic a spaceship—on Earth.
Criminals operated with impunity along the northern border.
The notorious gangster was recruited as an FBI informant. It turned it out that corrupt FBI agents were the ones informing him.
During the 13 dry years of Prohibition, sneaky Americans went to great lengths to conceal their alcohol consumption from law enforcement.
His party expelled him. His cabinet resigned. He was even hung in effigy on the White House porch. What made America's 10th president such a political pariah?
Abraham Lincoln was disappointed by most of his generals—but not Ulysses S. Grant.
Tens of thousands of Filipinos answered the call to fight in World War II when the Philippines was an American commonwealth.
When it opened in 1926, the St. Francis Dam was an engineering marvel. Just two years later, it became an engineering catastrophe.
Originally consumed as a bitter drink, it was prized as both an aphrodisiac and an energy booster.
The magnate with humble roots claimed to be pro-union, but his actions didn’t match his rhetoric.
A coming-of-age adventure through five South American countries set Che Guevara on the path to becoming a Marxist revolutionary.
The patron saint of Ireland first arrived in Ireland in the hold of a slave ship.
From water-powered textile mills, to mechanical looms, much of the machinery that powered America's early industrial success was "borrowed" from Europe.
Approximately 700 miles of barbed wire, chain link, post-and-rail and wire mesh fencing has been erected along the border.
These World War I inventions made life easier during—and after—the war.
America’s most notorious gangster sponsored the charity that served up three hot meals a day to thousands of the unemployed—no questions asked.
The conflict in Vietnam ended in turmoil with the largest helicopter evacuation of its kind in history.
A series of poor decisions and mistakes led to one of the worst foreign policy failures in American history.
His conviction that white men of European descent were innately superior informed his actions on matters from national parks to foreign policy.
Stalin, Roosevelt and Churchill hammered out postwar matters like the creation of the United Nations, the fate of Eastern Europe and the 'dismemberment' of Germany.
Baseball's biggest icon once served jail time and spent most of his life believing he was a year older than he really was.
Franklin Roosevelt’s children offered physical, emotional and political support throughout his presidency.
Vast corporate wealth and a fee-based governance structure fueled widespread corruption during America's Gilded Age.
A largely tolerant and merciful ruler, Persian king Cyrus the Great established one of the largest empires in world history.
Explore five defining events that led to the conclusion of World War II on September 2, 1945.
Some argue that Jesus wasn't an actual man, but within a few decades of his lifetime, he was mentioned by Jewish and Roman historians.
Historical accounts of the man who sentenced Jesus to death paint him as arrogant and cruel; the Bible goes easier on him, shifting the blame.
Explore nine surprising facts about the massive German airship and its fiery demise.
It wasn’t safe to go back in the water of the Jersey Shore in 1916, as a series of deadly shark attacks forever changed Americans’ attitudes toward the sea creatures.
The 'flying White House' took presidents' travel to new heights.
Legend has it he laughed at their ransom and promised he'd return for revenge.
They wouldn’t all earn spots on the Mount Rushmore of dads.
It was the West's bloodiest clash over control of the open range.
The massive Normandy landings required optimal weather conditions. That wasn't the case on June 5, the original chosen day of attack.
The Native American was an Olympic medalist, NFL standout and a MLB player — he even won a ballroom dancing championship.
Cyber warriors learned a lot from Ghengis Khan and Caesar.
Take a look back at a landmark victory for American workers: the 1912 Bread and Roses Strike.
Here is the history behind the services and symbols of a new pope's installation.
Severe exposure, starvation and disease ravaged tribes during their forced migration to present-day Oklahoma.
White settlers feared the Lakota's Ghost Dance presaged an armed uprising. But US troops carried out the bloodbath.