1979-1981:A few FCC members were involved with Clamshell Alliance actions at Seabrook, New Hampshire, nuclear power plant.
1981: Ad-Hoc Just Peace Committee established by FCC Executive Council.
1982: 30 FCC members travel by chartered bus to New York for Nuclear Freeze March. FCC defense and energy investments to be reviewed on a regular basis.
1983: Annual Meeting votes to be a Just Peace Church. FCC hosts Soviet peace committee visiting with Bridges For Peace.
1984-1988: 10 FCC members travel to Nicaragua with Witness For Peace. Commissioning of 1984 delegation attended by 400 people in sanctuary.
1985: FCC affinity group with Pledge of Resistance, to protest Central America policies. Nine members among 500 arrested in civil disobedience in Boston.
1986: Courses and discussions on divestment from South Africa. FCC members arrested for civil disobedience in the Capitol building in Washington, D.C.
1987: FCC annual meeting votes to divest from South Africa. During Lent, many members take part in 150 mile Via Crucis Pilgrimage from Pittsfield to Boston to protest Central America policies. Several members arrested at the CIA in Washington, D.C., for civil disobedience.
1989: Members take part in the March For Women’s Lives in Washington. Two members arrested in Washington in non-violent anti-apartheid action.
1990: FCC adopts Covenant Testimony.
1991: FCC votes to become an Open and Affirming Church. Members protest the first Gulf War at Westover Air Force Base in Chicopee.
2002: FCC passes “War Is Not The Answer” resolution on threat of war in Afghanistan. Same resolution presented by FCC to 400 UCC church delegates at annual meeting of Massachusetts Conference. Passes by 2/3 majority.
2003: FCC members attend NYC march just before Iraq War started
2003: On-going ecumenical vigil on Cambridge Common against war in Iraq.
2004: Petition signatures supporting gay marriage collected and sent to state legislators.
2005: Three FCC members take part in March Against Iraq War in Washington, D.C.
2005: 13 member delegation visits El Salvador to build North-South solidarity with CRISPAZ(Christians for Peace in El Salvador).
2006: Members collect signatures for a statewide petition for access to affordable quality. This Greater Boston Interfaith Organization campaign played a substantial role in securing statewide healthcare reform and in offering near universal healthcare coverage to Massachusetts residents.
2011: Several FCC Members join with 350.org to surround the White House in protest of the Keystone XL pipeline. Massachusetts Conference UCC Minister and President and First Church member, Rev. Jim Antal, spends three days in jail for civil disobedience.
2018: First Church members joined 20,000 non-violent marchers following events in Charlottesville, VA and to protest white supremacist rallies and violence.