April 5, 1806
William Dool Killen, ecclesiastical historian, is born in Ballymena, Co. Antrim
Ireland
William Dool Killen (1806–1902) was a Presbyterian minister and church historian from Ballymena, County Antrim. He served as professor of church history at the Presbyterian College in Belfast and later became its president. His publications included histories of Christianity and the Presbyterian Church in Ireland.
Source: Dictionary of Ulster Biography