April 20, 1948: The question of constructing a gym at St. Bruno Mission School in Joussard is discussed at a meeting. It is decided to proceed.
April 20, 1967: Robinsons Store in High Prairie celebrates its grand opening with daily draws until April 29.
April 20, 1977: South Peace News reports that CTV will be available within the year to TV viewers in the Lesser Slave Lake area.
April 20, 1983: South Peace News reports Sucker Creek asks the High Prairie Roman Catholic school board to build a high school after a survey shows 80 per cent of members want it.
April 20, 1983: South Peace News reports High Prairie Elementary School teachers share a $40,000 prize in the Alberta Association for the Mentally Handicapped lottery.
April 20, 1983: South Peace News reports that the local Air Cadets want to build a rifle range underneath the bleachers in the Sports Palace arena. Safety is the main concern and the idea is later dropped.
April 20, 1987: Rodney Allan Goetz and James Andrew Cook, both 21, are charged with armed robbery after incidents at Prairie Cleaning and High Prairie News and Confectionary. Both plead guilty to various charges 10 days later. Cook is sentenced to six months in prison.
April 20, 1992: Angie Lazoruk opens Gateway Crafts and Souvenirs in the Trade-Winds Plaza.
April 20, 1994: South Peace News reports Dwayne Taylor reveals plans to construct the High Prairie Inn.
April 20, 1996: A sod turning ceremony is held to mark construction of the $1.4 million Whitefish Inn Restaurant and Lounge.
April 20, 1998: Francis Chalifoux, 73, of Grouard dies while placing signs along the highway.
April 20, 1999: The Alberta government announces it will give the Treaty 8 commemoration committee $1.2 million.
April 20, 2000: Kristel Fisher celebrates the grand opening of The New Twist Hair Salon.
April 20, 2005: South Peace News reports on the construction of Plains Marketing Canada’s fractionation plant west of High Prairie.
April 20, 2006: Edward Laurence Gully, a long-time commercial fisherman on Lesser Slave Lake, passes away at the age of 95 years.
April 20, 2007: Molson Canada Breweries donates $6,500 to the Gordon Buchanan Recreation Centre.
April 20, 2008: High Prairie RCMP investigate a five-on-one assault on a lone male, 28, at the Northern Lites Motor Inn.
April 20, 2010: Four large murals are erected on the west wall of the High Prairie Museum depicting the region’s early history. Later, other murals are installed on the south wall.