Explore Chicago Collections
https://explore.chicagocollections.org/records/?f1-topics=Events%20%26%20Movements::Demonstrations&f2-neighborhoods=Loop&f3-topics=Events%20%26%20Movements::Fairs%20%26%20Conventions&f4-topics=Events%20%26%20Movements::Fairs%20%26%20Conventions&f5-cities=Chicago&f6-institutions=Chicago%20History%20Museum