16th Century- Unitarian churches were formally established in Transylvania and Poland (by the Socinians)

1793- Universalism emerged as a particular denomination of Christianity in the United States, eventually called the Universalist Church of America

1826- Universalist Society of Waterville incorporated by Rev. Sylvanus Cobb

1832- Current building completed at a cost of $4,200

1849- Building orientation changed (after a chimney fire) so that it faces "the Point" instead of Silver Street

1863- Unitarian Church of Waterville officially organized with Rev. David N. Sheldon, former president of Colby College (then called Waterville College), as resident minister

1866- Unitarian Church building on Main Street dedicated

1943- Unitarian Church gave the Universalist Church pulpit furniture and a communion set before their building on Main Street was razed

1952- Universalist and Unitarian Churches of Waterville and the Universalist Church of Fairfield merged to become the Universalist Unitarian Church of Waterville, the second oldest church in Waterville

1961- Universalist Church of America and the American Unitarian Association merged to become the Unitarian Universalist Association