In August 1979, then president of the National Hockey League (NHL), John Ziegler, announced that protective helmets would become mandatory in the NHL. "The introduction of the helmet rule will be an additional safety factor," he said. The only exception to the rule are players -- after signing a waiver form -- who signed pro contracts prior to 1 June 1979.
The NHL made helmets mandatory for players starting in the 1979-1980 season.
The NHL mandated the use of helmets for players starting in the 1979-1980 season.
NHL players began wearing helmets during games in the 1979-1980 season.
Hockey started requiring helmets for players in the NHL in the 1979-1980 season.
Helmets were first required in the Tour de France in 2003.
Helmets were made mandatory in hockey in the National Hockey League (NHL) starting in the 1979-1980 season.
NFL players were first required to wear helmets in 1943. At the time, they were made of leather. They then went to being made of plastic and now are made of polycarbonate.
Sikhs
In most states DOT helmets are required.
because the teams pay them not to so that they could have their logos
helmets
Lanscape contractors are not required to wear helmets. However, many do elect to do so when working on projects wear their head is exposed.