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 | Từ điển Oxford Advanced Learner 8th 
 
	
		| the Pony Express 
 
 the  Pony Express [the Pony Express] BrE NAmE
 a US mail service in the  ↑Old West, using riders and horses (not ponies). It operated from  April 1860  to  October 1861, between St Joseph,  ↑Missouri, and Sacramento,  ↑California, a distance of 1 966 miles/3 163 kilometres, which the riders could complete in 10 days by changing horses at regular stations along the way.  ↑Buffalo Bill  was one of the riders. The service came to an end when a  ↑telegraph  line  (= a device for sending messages on electric wires) was completed. The  Pony Express National Historic Trail  was established in  1992.
 
 
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