Portal:Anarchism/Anniversaries/September/September 9
- 1911 – Paul Goodman is born in New York City
- 1980 – The Plowshares Movement begins in Pennsylvania when a group of eight activists trespass onto a nuclear missile facility, damaging nuclear warheads and vandalizing documents
- 2000 – The headquarters of the Monroe County Republican Party Committee headquarters in Bloomington, Indiana are set on fire; the Earth Liberation Front claim responsibility