While waiting on the beach to see if the Spanish Armada was about to invade England in 1588, Robert Dudley, first Earl of Leicester, pulled out his telescope to check the flag on a ship that was sailing up the river. The Telescope was invented by Hans Lippershey in 1608.
When Elizabeth visits Mary Queen of Scots, Mary is wearing a large crucifix and chain. A few moments later, Mary's crucifix has vanished from her chain. When Elizabeth leaves, the long shot shows the crucifix has returned.
The poem Essex is supposed to have written to Elizabeth on the day of his execution was written by Chidiock (Charles) Tichbourne (1558-1586) just before his execution for his part in the Babington plot, a conspiracy to assassinate Elizabeth.
During the execution of Mary, Queen of Scots; as Elizabeth's envoy is speaking how best to inform the Queen of the beheading; they are outside, in a courtyard. Contemporary accounts show that Mary's real execution took place indoors at Fotheringhay Castle.
Although Elizabeth is portrayed as travelling incognito to meet Mary Stuart (Queen of Scots), the two famously never met. They did communicate by letter and Elizabeth often expressed her wish to meet Mary but she always insisted that would only happen once Mary had acknowledged Elizabeth's right to the throne of England.