 Often known as Bill 101, it defined French as the only official language of Quebec in areas of provincial jurisdiction.Lévesque and his party had run in the 1970 and 1973 Quebec elections under a platform of separating Quebec from the rest of Canada.The party failed to win control of Quebec's National Assembly both times – though its share of the vote increased from 23 percent to 30 percent – and Lévesque was defeated both times in the riding he contested.