Take a trip through the incredible history of Illinois This amazing timeline wallbook brings the fascinating 200 years of history to life to mark the state's bicentenary. Beautifully-illustrated in Illinois and hugely engaging, the 6-foot long timeline features over 1,000 illustrations and captions, taking readers young and old through the journey that built the state. From 1818, when Illinois became the 21st state to join the union, this timeline creates the big picture of the moments, people and events that have shaped the story of the Prairie State.