Complex sentence: Since then these artists have been exhibited collectively in both public and commercial galleries, in 2009 the Musée national des beaux-arts du Québec mounted the touring exhibition exhibition "Jewish Painters of Montreal: a Witness to their time" McCord Museum of Canadian History.
Split into simpler sentences: Since then these artists have been exhibited collectively in both public and commercial galleries. In 2009 the Musée national des beaux-arts du Québec mounted the touring exhibition exhibition "Jewish Painters of Montreal: a Witness to their time" McCord Museum of Canadian History.