Wie viele Jahre dauerte der Pony-Express-Postzustelldienst?
Der Pony Express war nur etwa anderthalb Jahre in Betrieb, von April 1860 bis Oktober 1861.
How many years did the Pony Express mail delivery service last?
The Pony Express was in operation for just around one-and-a-half years, from April 1860 to October 1861.