- First Odd Fellows Lodge – The first lodge of Odd Fellowship in Dayton was known as Montgomery Lodge No. 5, and was instituted on May 3, 1833.
- First Museum – A committee met at the courthouse on September 16, 1837, to organize a “zoological museum.” A room was secured at the head of the canal basin but the project was abandoned shortly after.
- First City Charter – On March 27, 1841, by a special act of the legislature, Dayton emerged from the classification of a town to that of a city.
Dayton Unknown 