The group that owns the luxury watch company Longines was founded in which year?
Longines Longines (] , ) is a luxury watch company based in Saint-Imier, Switzerland. Founded by Auguste Agassiz in 1832, it is currently owned by the Swatch Group. Its winged hourglass logo is the oldest registered trademark for a watchmaker.
Piper-Heidsieck PIPER-HEIDSIECK is a Champagne house from the Champagne region of France. Founded by Florens-Louis Heidsieck on July 16, 1785 in Reims, the Heidsieck name was combined with the Piper name in October 1839. In the late 1980s, PIPER-HEIDSIECK became part of the Rémy Cointreau wine and spirits group, and was sold in 2011 to EPI (Européenne de Participation Industrielle), a privately owned holding company of French luxury brands.