This document provides a timeline of key events related to government buildings and Madison Hall in Madison County, New York from 1817 to present day. It notes the construction of three successive courthouses on the same site from 1817 to 1865, as well as the relocation of the courthouse to Wampsville in 1908. It then describes the use of vacant Madison Hall by Morrisville State College from 1909 to 1977, and renovation work on the building from the 1980s onwards.