. "Canadian politician" . "Premier of Ontario" . . . . "David Robert Peterson, PC OOnt (born December 28, 1943) was the 20th Premier of the Province of Ontario, Canada, from June 26, 1985 to October 1, 1990. He was the first Liberal premier of Ontario in 42 years."@en . . . . "Member of Provincial Parliament" . . . . "25thOntario Liberal Party Leader" . . . "20th" . . . . . . . . . "1943Z"^^ . . "23rdLeader of the Opposition in the Ontario Legislature" . "Chancellor of theUniversity of Toronto" . "Peterson, David"@en . . "1943-12-28Z"^^ . "David Peterson"@en . . . . .