- 1908 - US President Theodore Roosevelt argues before a Senate committee that any material espousing anarchist opinions should be criminalized.
- 1915 - Two anarchists were sentenced to six to twelve years in prison for planting bombs at two Catholic churches on the fifth anniversary of the execution (pictured) of Escuela Moderna founder Francesc Ferrer i Guàrdia.
- 1918 - In Moscow, members of the anarchist Black Guard confiscated the car of the American ambassador to Russia, demanding release of prisoners in the US.
- 1927 - The death sentences of Sacco and Vanzetti were upheld by Judge Webster Thayer.