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In page Orange Order in Canada:

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The Orange Order was also a force in New Brunswick, such that riots surrounding Orange marches occurred in the 1840s (a period of Irish mass immigration) in New Brunswick. Even tiny Woodstock, New Brunswick experienced a riot in 1847 on The Twelfth (July 12, the anniversary of the Battle of the Boyne), near a now vanished Orange Hall at the corner of Victoria and Boyne streets. The height of conflict was a riot in Saint John, New Brunswick on July 12, 1849, in which at least 12 people died. The violence subsided as Irish immigration declined,[1] though even in 1884, 3 were killed in Harbour Grace in the "usual" "collision" "between Orangemen and Roman Catholics".[2]