The Pony Express carried mail by horseback.
the pony express is a mail delivery service running from St. Joseph to Sacramento
The date the Pony Express ended was at the year 1861
a mail deliver
The pony express was started because the people on the east wanted to get mail from the west faster.
to give mail to others
Pony Express - 1959 Mail for a Male 1-23 was released on: USA: 1960