CO Châlons ended in 2006.
Maurice Renard was born on February 28, 1875, 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].
Jacques Massu was born on May 5, 1908, 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.
CO Roubaix-Tourcoing ended in 1970.
The Edw. Malley Co. ended in 1982.
Arena Publishing Co. ended in 1896.
Manoil Manufacturing Co. ended in 1959.
Halle Brothers Co. ended in 1982.
United Co-operatives ended in 2007.
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.