Treaty with the Hawaiian Islands - December 23, 1826 

English Treaty -- Nov. 16, 1836
British Treaty -- March 26, 1846

French Convention -July 17, 1839 Postal Convention -Tahiti-Nov24, 1853

Treaty with Denmark - Oct19, 1846 Agreement -- January 25, 1848

Treaty with Hamburg - Jan 8, 1848 Agreement -- Jan 25, 1848

Treaty with the Hawaiian Islands - December 20, 1849

Treaty with Sweden and Norway -April 5, 1852

Treaty with Sweden and Norway -April 5, 1852

Treaty with Bremen -
March 27, 1854

Treaty with Belgium - October 4, 1862

Treaty with the Netherlands -
October 16, 1862

Treaty with the Switzerland --
October 16, 1862

Treaty with Italy - July 22, 1863

Treaty with Spain - October 9, 1863

Treaty with Russia -- June 19, 1869

Treaty with Japan - August 19, 1871

Postal Convention - New SouthWales -July 1, 1874 (Australia)

Treaty with the Hawaiian Islands -January 13, 1875

Treaty with the German Empire -
March 25, 1879

Provisional Convention - Portugal -May 5, 1882

Treaty with the Hawaiian Islands - December 6, 1884

Treaty with Samoa March 21, 1887