Today marks the 100th anniversary of the birth of the Communist Party of Canada. The party was formed in Guelph, Ontario on May 28, 1921. It is the second oldest political party in the country. As a press release from the party notes: That historic event for working people in Canada took place in conditions of illegality and secrecy due to the War Measures Act, left in place after World War One to prevent revolutionary-minded workers from organizing a Communist Party and another confrontation li