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Explore every documented floor-crossing in Canadian political history.
Seven of the Bloc's ten MPs left the party to protest their leader Martine Ouellet. They formed a temporary group called Québec debout. It was an organized revolt - 70% of the c…
Bernier narrowly lost the Conservative leadership race to Andrew Scheer (by less than 2%). Bitter about the loss, he left to start his own party - the People's Party of Canada -…
Hassainia disagreed with NDP leader Thomas Mulcair's position on the Israeli-Palestinian conflict. She left the party over it.
Mourani left the Bloc and publicly renounced her belief in Quebec sovereignty - a fundamental change of heart. She wanted to join the NDP, but the NDP has a policy against accep…
Holden represented English-speaking Westmount in a party that fought for English language rights. He crossed to the Parti Québécois - a French-first, pro-independence party. It …
Bouchard was a cabinet minister under PM Mulroney. When the Meech Lake Accord (a constitutional deal meant to bring Quebec into the constitution) failed, Bouchard left the party…
Toupin left the Conservatives, tried to join the Liberals - but the Liberals said no. He briefly joined the NDP, then sat alone as an independent.
Lévesque believed Quebec should become its own country. The Liberals disagreed. So he left and eventually founded the Parti Québécois.