Bjørn Wirkola (August 4, 1943 - ) is a Norwegian ski jumper. He was world champion in large and small hill in 1966 in Oslo, and won the German-Austrian ski jump week in the years 1967-1969. He was also a gifted football player, and won both cup and league championships with Rosenborg in 1971. The same year he was awarded Egeberg Ærespris. August 4 is the 216th day of the year in the Gregorian Calendar (217th in leap years), with 149 days remaining. ... 1943 is a common year starting on Friday. ... 1966 was a common year starting on Saturday (the link is to a full 1966 calendar). ... County Oslo NO-03 Landscape Viken Municipality NO-0301 Administrative centre Oslo Mayor (2004) Per Ditlev-Simonsen (H) Official language form Neutral Area  - Total  - Land  - Percentage Ranked 224 454 km² 426 km² 0. ... Rosenborg Ballklubb (RBK) is a Norwegian football club from the city of Trondheim. ... 1971 is a common year starting on Friday (click for link to calendar). ...

In Norway the expression “to jump after Wirkola” has come to denote the concept of carrying on a task where your predecessor has done a particularly good job.