Roller skating
Roller skating is the traveling on smooth surfaces with roller skates. It is a form of recreation
Recreation is an activity of leisure, leisure being discretionary time. The "need to do something for recreation" is an essential element of human biology and psychology. Recreational activities are often done for enjoyment, amusement, or pleasure and are considered to be "fun"...

 as well as a sport, and can also be a form of transportation. Skates generally come in two basic varieties: quad roller skates
Roller skates
Roller skates are devices worn on the feet to enable the wearer to roll along on wheels. A first basic type of roller skate consists of a boot with four wheels with ball bearings, arranged in the same configuration as the wheels of a typical car.-History:...

 and inline skates
Inline skates
In-line skates are a type of roller skate used for inline skating. Unlike quad skates, which have two front and two rear wheels, inline skates have two, three, four, or five wheels arranged in a single line...

 or blades, though some have experimented with a single-wheeled "quintessence skate" or other variations on the basic skate design. In America, this hobby was most popular in the 1970s and the 1990s.
  • 1743: First recorded use of roller skates, in a London stage performance.