Sister Cities International posted a great article about the history of Gerrman Sister Cities, and they even made this cool map (embedded above). So check it out!
Indianapolis-Cologne Sister City Partnership Committee
Designated in 1988 by the Mayor's office, the Indianapolis Cologne Sister City Partnership Committee (ICSCC) is a group of volunteers who strive to connect people and places in Indianapolis and Cologne, and create lasting cultural, educational, and economic impact through exchange.
Sister Cities International posted a great article about the history of Gerrman Sister Cities, and they even made this cool map (embedded above). So check it out!