First Unitarian Congregational Society

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First Unitarian Congregational Society in Brooklyn is a Unitarian Universalist congregation in Brooklyn, NY. The Society was established in 1833 and has been worshiping in its historic Gothic Revival Sanctuary since 1844. The Sanctuary is adorned with stained glass windows and a Louis C. Tiffany angel mosaic. It is one of the earliest Unitarian congregations in the United States, established just 8 years after the American Unitarian Association was formed in 1825.