Illinois - Wikipedia
2.3.2State of Illinois prior to the Civil War. 2.3.3Civil War and after. 2.420th century.

Illinois
Welcome to Illinois.gov! Find places to go, things to see. Search through all the different services offered by the various Illinois agencies. During live broadcasts use the links below to tune in to audio and video feeds for the latest coverage from the State of Illinois.

Your Official Guide to Illinois Travel | Enjoy Illinois
Your guide to the best of Illinois. Places to go, things to do, the best places to eat and drink, must-see Chicago, trip ideas and inspiration for your Illinois vacation.

Government - Illinois.gov
Search by agency, individual name, position, salary, or even year of service. Access your IL-PIN online utilizing MyTax Illinois. The Archives Database site allows you to preview the many databases within the Archives site. Send an email to the Governor to Voice Your Opinion or Request Assistance.

The Official Website for the Illinois Secretary of State
Our employees are at the core of what we do – making a positive impact for Illinois. To do that, we need motivated doers and innovative thinkers looking for opportunities to work and to thrive.

University of Illinois at Urbana-Champaign
Discover the University of Illinois Urbana-Champaign—where innovation, community, and discovery drive world-class learning, research, and public impact.

Illinois | History, Geography, Cities, Capital, & Facts | Britannica
Geographical and historical treatment of Illinois, including maps and a survey of its people, economy, and government. Its capital city is Springfield, and its largest city and most important cultural and economic center is Chicago.

Illinois Maps & Facts - World Atlas
Illinois is a state in the Midwestern United States. It shares its borders with Wisconsin to the north and Indiana to the east, while the Mississippi River forms its western border with Iowa and Missouri.

Illinois Open Data
Explore Illinois Open Data for public datasets, tools, and resources to support transparency, innovation, and informed decision-making.

Illinois Department of Revenue
This bulletin summarizes changes to the Illinois Income Tax Act effective for tax years ending on or after December 31, 2026, and provides guidance on estimated payment requirements and penalty avoidance.