There were a fair number of queens and empresses who ruled in the Middle Ages. Empress Irene was ruling the Byzantine Empire when Charlemagne was crowned in Rome. There were a number of female Spanish monarchs. A woman named Hedwig was crowned King of Poland (yes, king). One of the most successful monarchs of her time was Queen Margaret I of Denmark.
There is a link to the European sections of a list of queens and empresses regnant below.
Elizabeth I lived during the Renaissance.
In medieval times, a queen, king, prince, or princess would wear a crown. In current times, an actor playing one of these parts in a medieval re-enactment may wear a medieval styled crown.
An important meal
he will wear dishrags
The Clergy