Republic of Texas (group)
The Republic of Texas (and also known as Provisional Government of the Republic of Texas) is a general term for several organizations, some of which have been called militia groups, that claim the annexation of Texas by the United States was illegal and that Texas remains an independent nation to this day but is under occupation. The issue of the legal status of Texas led the group to claim to have reinstated a provisional government on December 13, 1995.
Source: Wikipedia — Republic of Texas (group) (CC BY-SA 4.0)