Elizabeth I was the last monarch of the Tudor dynasty, ruling England for 44 years. Her reign is known as the 'Elizabethan Era,' a golden age for English drama and literature led by figures like William Shakespeare. Elizabeth inherited a bankrupt and religiously divided nation. She established the Church of England through the Elizabethan Religious Settlement, which sought a 'middle way' between Catholicism and radical Protestantism. Her greatest military victory came in 1588 with the defeat of the Spanish Armada, which established England as a major naval power. Despite immense pressure to marry and secure an heir, she remained single, famously declaring herself 'married' to her kingdom. Her shrewd diplomacy and ability to navigate the patriarchal politics of the 16th century transformed England into a stable, burgeoning global empire, setting the stage for the British Empire's later dominance.