John Montagu, 4th Earl of Salisbury, was a British nobleman born in 1718. He was a member of the Montagu family, which held significant influence in England. Montagu served in various political roles, including as a Member of Parliament and later as a Lord Lieutenant of Huntingdonshire. His contributions to British politics were notable during the 18th century. Montagu was also known for his involvement in the arts and culture of his time. He was a patron of several artists and writers, helping to promote the Georgian style. His legacy includes a commitment to public service and support for the cultural development of England.