 Guy Ligier then switched his efforts into Formula One.Following the acquisition of the Matra F1 team's assets, Ligier entered Formula One in with a Matra V12-powered car, and won the 1977 Swedish Grand Prix with Jacques Laffite.This is generally considered to have been the first all-French victory in the Formula One World Championship as well as the first Formula One victory for a French team and a French engine.