What drove an Irish American army to attack Canada five times after the end of the Civil War?

Was this some whiskey-fueled daydream or a serious military operation?

How did this band of revolutionaries change history forever?

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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MAR 14, 2019

When Irish-Americans Attacked Canada—With the White House's Blessing


These Civil War veterans orchestrated one of the most audacious acts in American history.

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When the Irish Invaded Canada
On Sale March 12, 2019!

“Thoroughly researched and engagingly written… A well-presented, little-known sidebar to the struggle for Irish independence.”

Kirkus Reviews

Latest History Blog Post

The Road to Now Podcast

March 21, 2019

I had the pleasure of talking with Ben Sawyer and Bob Crawford about WHEN THE IRISH INVADED CANADA for their great history podcast, The Road to Now. We talked about the background to the Fenian…