Glen Grant distillery was previously owned by the company best known for the whisky dating back to what year?
Glen Grant distillery:  Previously owned by "Chivas Brothers Ltd", best known for their Chivas Regal blended scotch whisky, Glen Grant was purchased by the Italian company Campari Group in December 2005. Chivas Regal:  Chivas Regal traces its roots back to 1801.
1801