September 1373 in history

Born in September 1373

Sep 22 Thomas le Despenser 1st Earl of Gloucester the son of Edward le Despenser, 1st Baron le Despencer, whom he succeeded in 1375.

Died in September 1373

Sep 11 Isabella Countess of Vertus a French princess and member of the House of Valois, as well as the wife of Gian Galeazzo Visconti, Lord of Milan, although she died before her husband's accession.