Complex sentence: Formally established in 1787, the New Lebanon Shaker Society (renamed the Mount Lebanon Shaker Society in 1861) was the second major Shaker society formed in the recently created United States of America, and established what became the primary Shaker spiritual residential community.
Split into simpler sentences: Formally established in 1787, the New Lebanon Shaker Society (renamed the Mount Lebanon Shaker Society in 1861) was the second major Shaker society formed in the recently created United States of America. The society established its home at the Mount Lebanon Shaker Village, which became the primary Shaker spiritual residential community.