How to identify the author, audience, date, and message of historical posters.

Explore mysteries in Canadian history in both French and English.

This guide focuses on the history of free speech in one crucial year (1919), exploring how one influential Supreme Court justice changed his mind about the value of antiwar speech and in the process wrote opinions that have shaped our attitudes to free speech ever since. It provides students an opportunity to see the First Amendment evolve at a crucial hinge in its history, and it also provides them an opportunity to think about how far the rights to free speech should extend during wartime.