Ballotpedia: The Encyclopedia of American Politics--tracks latest developments in State politics, including elections and ballot measures.
Documenting the American South--digital publishing initiative sponsored by the University of North Carolina at Chapel Hill that provides access to texts, images, and audio files related to southern history, literature, and culture.
Pew Research Center--"a nonpartisan fact tank that informs the public about the issues, attitudes, and trends shaping the world. Conducts public opinion polling, demographic research, content analysis, and other data-driven social science research--without taking policy positions." You can search Pew's content for references to a particular Southern State.
Southern Environmental Law Center--the largest nonprofit, nonpartisan environmental legal advocacy organization rooted in and focused on the South.
Southern Poverty Law Center (SPLC)--"a catalyst for racial justice in the South and beyond, working in partnership with communities to dismantle white supremacy, strengthen intersectional movements, and advance the human rights of all people"--From the homepage. The website's features and stories are searchable by keyword.
State History Timelines--complete timelines of individual States' histories.
USA.gov: State, Local, and Tribal Governments--links you to the websites of State, local, and tribal governments; provides contact information for them and their officials.