1825. Founding of Associations in Great Britain and U.S.A.
1836. Martineau's _Rationale_.
1838. Emerson's _Divinity School Address_.
1842. Theodore Parker's _Discourse_.
1844. Dissenters' Chapels Act.
1847. Hibbert Trust founded.
1854. Unitarian Home Missionary Board (now College, Manchester) founded.
1882. National Triennial Conferences begun.
1890. Martineau's _Seat of Authority_.
1900. International Congresses founded.