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.

Watch the Trailer

Also By Christopher Klein

Featured Article

History Channel Logo

September 8, 2021

How the South Helped Win the American Revolution


Although not as iconic as those fought in the North, battles waged in the South determined the outcome of the Revolutionary War.

News & Events

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

Strangest. Olympics. Ever.

August 3, 2021

The 2020 Summer Olympics have definitely been the strangest one in our lifetimes with no spectators cheering on the athletes—not to mention that it’s no longer 2020. The 2020 Summer Games, however, can not compete…