Civitas - think tank - was created in 2000.
Nova Civitas was created in 1992.
Collegium Civitas was created in 1997.
Contraditório think tank was created in 2008.
Reform - think tank - was created in 2001.
Tasc - think-tank - was created in 2001.
Think Tank Photo was created in 2005.
Think Tank - film - was created on 2006-06-18.
Le Siècle - think tank - was created in 1944.
Demos - UK think tank - was created in 1993.
Think Tank - Henry Rollins album - was created on 1998-09-22.
I'm just starting Latin myself, but I'm pretty sure "Civitas Dei" means "City of God." And I think you would say it "Kee-wee-tass day-ee."
civitas-civitatis F 3 singular: civitas civitatis civitati civitatem civitate plural: civitates civitatum civitatibus civitates civitatibus