Newfoundland and Labrador was the first out of the gate in November 2015, when Ball's Liberals defeated the incumbent Progressive Conservatives. In 2016, Brian Pallister's PCs beat the NDP in Manitoba and Sandy Silver's Liberals defeated the Yukon Party. Incumbent governments lost eight of them, which was the worst winning record for incumbents in history — until the last four years. Newly installed as prime minister, Bennett's popularity quickly dropped as his government failed to grapple with the country's rampant unemployment. Bennett was prime minister from 1930 to 1935 during the Great Depression, when voters were defeating incumbent provincial governments across the country.
Source: CBC News May 16, 2019 07:52 UTC