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
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