| 1887 |
- Dedication of new YMCA building at 32 East Fourth Street. (Formerly, the Y rented rooms in the Journal Building at 25 North Main Street near the old courthouse)
- David Sinclair begins the Evening Educational Program of the Dayton YMCA. Courses offered in Bookkeeping and Mechanical Drawing
|
| 1891 |
First diploma awarded |
| 1902 |
David Sinclair dies on vacation in Billings, Montana, September 25 |
| 1903 |
Platt R. Lawton appointed first trained Educational Director |
| 1906 |
First black student is graduated |
| 1908 |
School moves with the YMCA to the new building at Third and Ludlow Streets. (301 West Third Street) |
| 1910 |
Business Administration courses offered |
| 1921 |
Americanization classes established |
| 1921 |
Dayton YMCA School of Commerce and Finance begun |
| 1923 |
- Dayton YMCA Technical School organized
- First four-year degrees offered by Tech School
|
| 1925 |
YMCA Law School established |
| 1925 |
Gertrude Bonholzer is the first woman to graduate from the Dayton YMCA School of Commerce and Finance with a Bachelors in Accounting |
| 1926 |
Dayton YMCA Office Training School begun |
| 1927 |
Wittenberg-Dayton YMCA School of Liberal Arts started |
| 1929 |
YMCA and School move to new building at 117 West Monument Avenue |