CO Châlons ended in 2006.
Maurice Renard was born on February 28, 1875, in Chlons-sur-Marne, Marne, France [now Chlons-en-Champagne].
Jacques Massu was born on May 5, 1908, in Chlons-sur-Marne, Marne, France [now Chlons-en-Champagne].
Pierre Dac was born on August 15, 1893, in Chlons-sur-Marne, Marne, France [now Chlons-en-Champagne].
Lucien Cailliet was born on May 27, 1891, in Chlons-sur-Marne, Marne, France [now Chlons-en-Champagne].
West End Watch Co was created in 1886.
Arena Publishing Co. ended in 1896.
Manoil Manufacturing Co. ended in 1959.
The Edw. Malley Co. ended in 1982.
CO Roubaix-Tourcoing ended in 1970.
United Co-operatives ended in 2007.
Halle Brothers Co. ended in 1982.
Well it depends on if your looking for its co-ordinates on a Cartesian plain; IIf you are then finish the line, function whatever it is and look at the co-ordinates that co-respond the the end point.