October 6, 1969 - the organization's first bombing act explodes at a statue built to memorialize police victims of the 1886 [[Haymarket Affair]] in which anarchists violently protested.<ref>[https://books.google.com/books?id=XMCXV5Nm00wC&pg=PT135 Thinking Like a Terrorist: Insights of a Former FBI Undercover Agent]</ref> The underground bombed the statue again exactly one year later on October 6, 1970.<ref>[https://books.google.com/books?id=N961d4YPAVUC&pg=PT22 Illuminating the Dark Arts of War: Terrorism, Sabotage, and Subversion in Homeland Security and the New Conflict]</ref>
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October 6, 1969 - the organization's first bombing act was at a statue built to memorialize police victims of the 1886 [[Haymarket Affair]] in which anarchists violently protested.<ref>[https://books.google.com/books?id=XMCXV5Nm00wC&pg=PT135 Thinking Like a Terrorist: Insights of a Former FBI Undercover Agent]</ref> The underground bombed the statue again exactly one year later on October 6, 1970.<ref>[https://books.google.com/books?id=N961d4YPAVUC&pg=PT22 Illuminating the Dark Arts of War: Terrorism, Sabotage, and Subversion in Homeland Security and the New Conflict]</ref>