[1] It is home to the Arkansas Post National Memorial.

In 1805 the U.S. government established a store at the location, but was closed in 1810, due to competition from private merchants.

[2] Nathaniel Pryor,[3] who participated in the Lewis and Clark expedition, and Samuel B. Richards of Natchez established a store at the location after the War of 1812.

[4] Present-day Arkansas Post was founded on December 27, 1831, with the establishment of the first U.S. post office in the Arkansas Territory.

[5] Highway 169 terminates at Arkansas Post.