James Gascoyne-Cecil, 4th Marquess of Salisbury son, David. James Gascoyne-Cecil, 4th Marquess of Salisbury James Edward Hubert Gascoyne-Cecil, 4th Marquess of Salisbury, (23 October 1861 – 4 April 1947), known as Viscount Cranborne from 1868 to 1903, was a British statesman. Born in London, Salisbury was the eldest son of Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, who served as British Prime Minister, by his wife Georgina (née Alderson). The Right Reverend Lord William Cecil, Lord Cecil of Chelwood and Lord Quickswood were his younger brothers and Prime Minister Arthur Balfour his first cousin. He was educated at Eton and University College, Oxford, graduating BA in 1885.
Deputy Prime Minister of Australia and Julia Gillard. In both cases, they succeeded incumbent Prime Ministers who lost the support of their party caucus mid-term and their election as party leader preceded their predecessor's resignations and their subsequent appointments as Prime Minister. Frank Forde, who had been deputy Labor leader when John Curtin died, was interim Prime Minister between 6 and 13 July 1945, when a leadership ballot took place that elected Ben Chifley as Curtin's successor. In November 2007, when the Australian Labor Party won government, Julia Gillard became Australia's first female, and first foreign-born, Deputy Prime Minister. In 2017, the position became vacant