1986 – Mining activities end at the Zollverein Coal Mine Industrial Complex.
© Bing Maps
1987 – Healy Hall at Georgetown University is declared a Nation Historic Landmark.
© Bing Maps
Today in History – December 23
1986 – Mining activities end at the Zollverein Coal Mine Industrial Complex.
1987 – Healy Hall at Georgetown University is declared a Nation Historic Landmark.