did any incident take place with this league?
Yes, the incident regarding Butch Goring changing teams.
Manitoba Junior Hockey League
On Sunday February 9, 1969, the MJHL held a special emergency meeting to discuss Butch Goring leaving the Winnipeg Jets of the WCHL and joining the Dauphin Kings. Goring played the night before in Kenora for the Kings during a regular season game. 
who was theoren fleury? Former professional ice hockey player. in which year was he born? 29 June 1968. where did he finish his studies from? UNANSWERABLE when did he first gain interest in the game? When he borrowed an old pair of skates and a broken stick to play his first game at the age of five. which was the first main game he played? He  began his junior career with the St. James Canadians of the Manitoba Junior Hockey League. when did this league start? 1918-19.
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Manitoba Junior Hockey League [SEP] Butch Goring incident
On Sunday February 9, 1969, the MJHL held a special emergency meeting to discuss Butch Goring leaving the Winnipeg Jets of the WCHL and joining the Dauphin Kings. Goring played the night before in Kenora for the Kings during a regular season game. The MJHL gave the Kings approval to use Goring in regular season and playoff games. Goring was leading the WCHL in goals at the time. Monday, WCHL president Ron Butlin said a court injunction would be sought against Goring and another Jet forward Merv Haney from playing with the Dauphin Kings. Also saying the CHA would be "taking whatever action is necessary against Dauphin and the MAHA for damages." Goring and Haney would play for the Kings, all the way to the Western Memorial Cup Finals.