Short answers, pulled from the story.
Elizabeth I was born on the 7th of September 1533 at Greenwich Palace to Henry VIII and Anne Boleyn. Her mother Anne Boleyn had been Henry VIII's second wife before being beheaded when Elizabeth was two years and eight months old.
Mary I died on the 17th of November 1558 allowing Elizabeth to become queen at age 25. She declared her intentions to council members at Hatfield House before being crowned in Westminster Abbey on the 15th of January 1559.
Elizabeth received many marriage offers but chose to remain single as she told an imperial envoy in 1563 that she preferred to be a beggar-woman and single rather than queen and married. She remained in love with Robert Dudley until his death after the Spanish Armada defeat in 1588.
Mary escaped Scotland in 1568 and sailed to England where Elizabeth detained her for nineteen years. On the 8th of February 1587 Mary was beheaded at Fotheringhay Castle Northamptonshire following evidence uncovered by Francis Walsingham regarding the Babington Plot of 1586.
The Spanish Armada set sail for the channel on the 12th of July 1588 but English fire ships attacked the fleet off Gravelines at midnight on the 29th of July dispersing the ships. Elizabeth addressed troops at Tilbury in Essex on the 8th of August wearing a silver breastplate over white velvet before the armada straggled home to Spain.