David Rumsey Map Collection, www.davidrumsey.com

About Christopher

Christopher Klein is an author and freelance writer specializing in history. He writes stories about the past that inform us about the present and guide us to the future. A frequent contributor to History.com, he is the author of four books including When the Irish Invaded Canada.

About When the Irish Invaded Canada

When the Irish Invaded Canada is the outlandish, untold story of the Irish American revolutionaries who undertook one of the most fantastical missions in military history—to hold the British province of Canada hostage and ransom it for Ireland’s independence.

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Also By Christopher Klein

Featured Article

National-Geographic-logo

March 2025 Issue

The forgotten history of New York’s first electric taxi fleet—in the 1800s

 

More than a century before Teslas hit the road, battery-powered taxicabs zipped silently through the streets of Manhattan.

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When the Irish Invaded Canada
Now in Paperback!

"Klein has burrowed deep into the historical record and his vivid, engrossing storytelling brings to life the raids as well as the eccentric characters behind them."

The Irish Times

Latest History Blog Post

Did the “Pepsi Navy” Actually Exist?

August 6, 2025

What happens when Cold War politics collide with the cola wars? In the 1989, it produced one of the strangest deals in business history when  PepsiCo signed an agreement with the Soviet Union to trade…