Roller-skating sports include speed skating, hockey, figure skating, and dancing competitions similar to the ice-skating sports, as well as the 9️⃣ vertical and street-style competitions common to so-called extreme sports.
Development of the roller skate The invention of roller skates has been 9️⃣ traditionally credited to a Belgian, Joseph Merlin, in the 1760s, although there are many reports of wheels attached to ice 9️⃣ skates and shoes in the early years of that century.
Early models were derived from the ice skate and typically had 9️⃣ an "in-line" arrangement of wheels (the wheels formed a single straight line along the bottom of the skate).In 1819 M.
Petibled 9️⃣ of Paris received the first patent for a roller skate.
Like previous models, Petibled's skate had an in-line wheel arrangement, using 9️⃣ three wooden or metal wheels.
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