SPRINGFIELD — This week marks 200 years since the founding of Illinois’ judiciary.On Oct. 9, 1818, the Illinois Territory’s General Assembly appointed the first four justices to the Illinois Supreme Court under the newly drafted Illinois Constitution. It would still be several weeks before President James Monroe signed the act of Congress making Illinois the 21st state in the union.Two centuries later, the state court system is celebrating the day that set its history in motion.“Two-hundred years is …