<Tr> <Th> 18th </Th> <Th> 1935 </Th> <Td> Liberals, led by Mackenzie King, defeat Prime Minister Bennett's Conservatives with a majority . The new Co-operative Commonwealth Federation (CCF) from the West, under Woodsworth, wins seven seats on a platform of social reform . The new Social Credit Party under John Blackmore, also from the West, wins 17 seats with its platform of monetary reform . Progressive Party and United Farmers of Alberta pass into the history books . </Td> <Td> </Td> <Td> 173 </Td> <Td> </Td> <Td> 39 </Td> <Td> </Td> <Td> 17 </Td> <Td> </Td> <Td> 7 </Td> <Td> </Td> <Td> </Td> <Td> 5 </Td> <Td> 245 </Td> </Tr> <Tr> <Th> 19th </Th> <Th> 1940 </Th> <Td> Liberals, led by Prime Minister Mackenzie King, are re-elected with a majority, defeating Robert Manion's National Government party, a failed attempt to recreate Robert Borden's World War I - era Unionists . </Td> <Td> </Td> <Td> 179 </Td> <Td> </Td> <Td> 39 </Td> <Td> </Td> <Td> 10 </Td> <Td> </Td> <Td> 8 </Td> <Td> </Td> <Td> </Td> <Td> 6 </Td> <Td> 245 </Td> </Tr> <Tr> <Th> 20th </Th> <Th> 1945 </Th> <Td> Liberals, led by Prime Minister Mackenzie King, are re-elected with a minority, defeating the newly renamed Progressive Conservatives, led by John Bracken . Foreshadowing the Bloc Québécois, Bloc populaire Canadien wins two seats in Quebec on an anti-conscription and Quebec nationalism platform; future Prime Minister Pierre Trudeau and future mayor of Montreal Jean Drapeau are young party members . </Td> <Td> </Td> <Td> 118 </Td> <Td> </Td> <Td> 66 </Td> <Td> </Td> <Td> 28 </Td> <Td> </Td> <Td> 13 </Td> <Td_colspan="2"> - </Td> <Td> 20 </Td> <Td> 245 </Td> </Tr> <Tr> <Th> 21st </Th> <Th> 1949 </Th> <Td> Liberals, led by Liberal Prime Minister Louis St - Laurent, are re-elected with a majority, defeating Progressive Conservatives led by George Drew . </Td> <Td> </Td> <Td> 191 </Td> <Td> </Td> <Td> 41 </Td> <Td> </Td> <Td> 13 </Td> <Td> </Td> <Td> 10 </Td> <Td> </Td> <Td> </Td> <Td> 6 </Td> <Td> 262 </Td> </Tr>

When was the last time canada had an ndp government