Republic of California
Texas qualifies as such.
Fifteen years, from 1821 until 1836.
Texas declared itself Independent of Mexico.
1776
It became independent in 1922 and declared itself as a republic in 1948.
No. Texas declared itself independent from Mexico an later tried to gain its entry into the American Union. This became the source of such conflicts as the Texas Revolution (1835-1836) and the Mexican-American War (1846-1848).
April 23, 1982. It declared itself to be the "Conch Republic."
In 1935? None. Actually, it was 1835 and the state was Texas.
Paraguay. It simply declared itself independent on May 15, 1811 and that was it.
Modern Israel, which declared itself to be an independent nation in May of 1948, is known as the Jewish State.
Present day Mexico was a colony of Spain known as Nueva España (literally New Spain). After independence was declared on September 16 1810, Mexico considered itself an independent nation. The formal recognition from Spain came with the Treaty of Córdoba on September 27 1821.However, the common name "Mexico" was used several years after the declaration of independence. Historically Mexico was referred to, both official and popularly, as Northern America, Mexican America, Mexican Republic and finally, the official name was selected: Estados Unidos Mexicanos (United Mexican States).
The second continental congress declared independence.