Dudley Senanayake by him such as the Minneriya irrigation project. Contesting in the 1947 general elections from the Dedigama electorate, he was elected to the first parliament of independent Ceylon and was appointed to the cabinet as Minister of Agriculture and Lands by his father, D. S. Senanayake who became the first Prime Minister of Ceylon in 1947. He continued many of the agricultural projects he started in his first year and started the ambitious Gal Oya Project which provided water for the cultivation of over 120,000 acres. He initiated guaranteed price scheme for paddy and farmers. He received the portfolios of
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