Explore Chicago Collections
https://explore.chicagocollections.org/records/?f4-topics=Events%20%26%20Movements%3A%3AEarly%20Chicago%20%281837-1871%29&f5-topics=Events%20%26%20Movements%3A%3AGreat%20Chicago%20Fire&f3-institutions=Chicago%20History%20Museum&f1-topics=Events%20%26%20Movements%3A%3AFairs%20%26%20Conventions&browse-topics=yes