Battle of Pogue's Run

The so-called Battle of Pogue's Run took place in Indianapolis, Indiana on May 20, 1863. It was believed that many of the delegates to the Democrat state convention had firearms, in the hope of inciting a rebellion. Union soldiers entered the hall that the convention took place, and found personal weapons on many of the delegates. Afterwards, Union soldiers stopped trains that held delegates, causing many of the delegates to throw weapons into Pogue's Run, giving the event its name.
Origin
Indiana governor Oliver Morton, a Republican, heard that the Knights of the Golden Circle were planning to overthrow the Indiana government during the Democratic State Convention. He had placed Union troops at the convention specifically to intimidate the delegates to the convention.
Convention
About four o'clock in the afternoon, while Thomas A. Hendricks was speaking at the Democrat state convention, of which there were 10,000 participants,...