See how the NHL has changed in 100 years

From head protection to fancy scoreboards, a lot has changed since the NHL's inaugural season in 1917.

From head protection to fancy scoreboards, a lot has changed since the NHL's inaugural season in 1917. Below, see some of the league's biggest advancements over the last century.

Skates

Scoreboards

Goalie Masks

Zambonis

Boards

Fans

Head protection