Beginning in 1754, when Benjamin Franklin’s “Join or Die” cartoon appeared in the Pennsylvania Gazette, political cartoonists have long used their skills to praise, attack, caricature, lampoon, and otherwise express their opinions on the most urgent political issues of the day. At the beginning of the twenty-first century, political cartoons appear in a wide range of online publications and can still stir up controversy. This Library of Congress primary source set of cartoons and other items are grouped around several major events in U.S. history. This set also includes a Teacher's Guide with historical context and teaching suggestions.