1) Ancient chariot racing
Found on
https://www.crosswordclues.com/clue/trigarium
The Trigarium was an equestrian training ground in the northwest corner of the Campus Martius (`Field of Mars`) in ancient Rome. Its name was taken from the triga, a three-horse chariot. The Trigarium was an open space located south of the bend of the Tiber River, near the present-day Via Giulia. It may be part of a larger field set aside as a p.....
Found on
http://en.wikipedia.org/wiki/Trigarium
No exact match found.
