Built in 1849 by many of the community's most radical abolitionists, the church quickly became the community's primary anti-slavery lecture hall.  Lecturers for the American Anti-Slavery Society including Miss Sallie Holley, Rev. JW Loguen, and William Wells Brown all spoke at the church to attentive spectators.  Brown, the first African American playwright and novelist did a one-man performance of  his first play "The Escape" at the church.

The oldest house of worship in Warren County, the church was originally constructed in 1834 and the congregation boasts anti-slavery leaders Cynthia Catlin Miller and Frederick Miles among its membership.  The grounds of the church were the site of the 2004-2006 re-enactment of the original Sugar Grove Anti-Slavery Convention.

The community chapel for an area of Sugar Grove and Freehold Townships called The English Settlement.  It was the area's first Methodist church. 

Organized in 1854, it is the oldest Swedish Lutheran Church in the United States.  The current church building was constructed from 1882-5 of brick to replace an earlier structure at the intersection of Rt. 69 and Matthews Run which had burned.  King Carl XVI Gustav of Sweden visited the church on his state visit in 1976.

After the fire that destroyed the original Hessel Valley Lutheran Church, the congregation split into two groups; one wanted to rebuilt at the current site of Hessel Valley Lutheran, the other group wanted to rebuilt near the site of the original church.  That second group became the the congregation that is today the Mission Covenant Church of Sugar Grove.  One of the many historical notes of interest in the building is that the bell in the church's belfry was the original bell from the Union School in downtown Sugar Grove.