Complex sentence: In Ancient Roman religious tradition, the Quinquatria, or Quinquatrus, was a festival sacred to Minerva, celebrated on the 19th of March, and was so called according to Varro, de Ling.
Split into simpler sentences: In Ancient Roman religious tradition, the Quinquatria or Quinquatrus was a festival sacred to Minerva, celebrated on the 19th of March. It was so called according to Varro, de Ling.