Illinois history in parallel computing stretches more than 40 years.

This was the first election of a Republican governor in Illinois history.

He was among the most accomplished wrestlers in Illinois history.

This is the largest write-in vote total in Illinois history.

The original building was destroyed by one of the worst tornadoes in Illinois history.

His 2,986 career points were the third most in Illinois history when he graduated in 1983.

But the current case is one of the biggest of its kind in Illinois history.

He proposed to pay for the plan with the largest tax increase in Illinois history.

Thomas is the only men's basketball player in Illinois history to score at least 2000 career points.

This was, and remains, the only time in Illinois history two women have headed the party ticket.