Eustathius of Thessalonica

Eustathius of Thessalonica (or Eustathios of Thessalonike; ; ) was a Byzantine Greek scholar and Archbishop of Thessalonica and is a saint in the Eastern Orthodox Church. He is most noted for his stand against the sack of Thessalonica by the Normans in 1185, contemporary account of the event, for his orations and for his commentaries on Homer, which incorporate many remarks by much earlier researchers.

He was officially canonized on June 10, 1988, and his feast day is on September 20. Provided by Wikipedia