A strike by set decorators turns into a bloody riot at the gates of Warner Brothers Studios in Burbank, Calif., when scabs try to cross the picket line. The incident is still identified as "Hollywood Black Friday" and "The Battle of Burbank" - 1945
Work begins on the carving of Mt. Rushmore, a task 400 craftsmen would eventually complete in 1941. Despite the dangerous nature of the project, not one worker died - 1927
The state militia is called in after 164 high school students in Kincaid, Ill., go on strike when the school board buys coal from the scab Peabody Coal Co. - 1932