In 1866 Irish-American Rebels Invaded Canada, And The U.S. Didn’t Protect Its Neighboring Country

It’s April 1866 and John Mahony, a former colonel in the New York State Militia’s 69th Regiment, is at the head of an invading force as it marches towards Campobello Island, New Brunswick. Back then this was part of British North America – what we today know as Canada. Mahony, an Irish-American is leading a band of Fenians, supporters of independence for Britain’s colonial possession, Ireland.