http://www.thestar.com/NASApp/cs/Con...d=968350130169
A bunch of stories of people from different faiths spending time in another faith's place of worship.
ETA: The United Church of Canada was formed in the 1920s (or was it 1930s?) by joining the Methodist, Congregationist and about 70% of Presbytarian churches. It's the largest Protestant denomination in Canada.