1860
George Wilson (republican) became Pittsburgh's 23rd mayor
1862
Benair C. Sawyer (republican) became Pittsburgh's 24th mayor
1867
Bellevue became a municipality
1868
Millvale becomes a municipality Feb 13th
With the help of schoolteacher M.B. Lyon, Millvale Borough is incorporated from parts of Shaler Township and Duquesne Borough and named after its industry and location - mill and valley.
1868
Etna becomes a municipality Sept 16th
The name "Etna" was said to have been chosen because the topography of the area surrounding the town was similar to that found near the famous volcano in Sicily, Mount Aetna.
1869
Chatham University was founded