People tend to check in during these times:
MLB's first night game: May 24, 1935. The lights were "lit" via telegraph by FDR from the White House. The Reds beat the Phillies 2-1.
The map marks the rough location of home plate. This photo shows the view from behind home plate on June 8, 1940. The Reds went on to beat the Dodgers 23-2. Courtesy cincinnativiews.net.