In December 1837 assemblyman Dr Charles Duncombe of Burford led a rebellion in south-western Upper Canada, gathering 500 men near Brantford. Historians have assumed that Duncombe acted in concert with William Lyon Mackenzie, leader of the revolt near Toronto. Professor Read finds this supposition wrong, though acknowledging that Duncombe was induced to promote rebellion by the erroneous report that Mackenzie and his men had taken Toronto. To...