Changes in the game of hockey(rules,equipements,etc)
Answers
1910-11 - Game changed from two 30-minute periods to three 20-minute periods.
1911-12 - National Hockey Association (forerunner of the NHL) originated six-man hockey, replacing seven- man game.
1917-18 - Goalies permitted to fall to the ice to make saves. Previously a goaltender was penalized for dropping to the ice.
1918-19 - Penalty rules amended. For minor fouls, substitutes not allowed until penalized player had sewed three minutes. For major fouls, no substitutes for five minutes. For match fouls, no substitutes allowed for the remainder of the game. With the addition of two lines painted on the ice twenty feet from center, three playing zones were created, producing a forty-foot neutral center ice area in which forward passing was permitted. Kicking the puck was permitted in this neutral zone. Tabulation of assists began.
1921-22 - Goaltenders allowed to pass the puck forward up to their own blue line. Overtime limited to twenty minutes. Minor penalties changed from three minutes to two minutes.
1923-24 - Match foul defined as anions deliberately injuring or disabling an opponent. For such anions, a player was fined not less than $50 and ruled off the ice for the balance of the game. A player assessed a match penalty may be replaced by a substitute at the end of 20 minutes. Match penalty recipients must meet with the League president who can assess additional punishment.