1720 - Upon birth he was known as the Lord Cavendish of Hardwic.
1729 - Became the Marquess of Hartington.
1731 - Married to Lady Charlotte Elizabeth Boyle, Baroness Clifford, the daughter and heiress of the 3rd Earl of Burlington of the 1st creation, a famous architect and art collector.
1751 - Was The Rt. Hon. Marquess of Hartington.
1755 - Was appointed as the Lord Lieutenant of Ireland and The Duke of Devonshire, PC.
1756 - Became the Prime Minister of Great Britain.
1764 - Died on October 2nd in Spa, Belgium.
Page last updated: 10:25pm, 17th May '07