Why is Britain called ‘The Sunset Empire’?

In the mid-15th century, England entered the primitive accumulation stage of capitalism. The British monarch at that time was the historically famous Queen Elizabeth. Under her leadership, Britain established its position as the dominant maritime power. in the middle of the 17th century, the bourgeois revolution broke out in Britain, and in the later part of the 18th century, the Industrial Revolution took place, making Britain the earliest capitalist country. in the 19th century, Britain entered the ‘Golden Age’ and became the most advanced industrialised country in the world. In the 19th century, Britain entered the ‘Golden Age’ and became the most advanced industrialised country in the world. The development of industry needed a broad market and sources of raw materials, so it stepped up its aggression around the world, raiding the wealth of other countries. By 1914, the colonies occupied by Britain were more than 140 times larger than its mainland, making it the world's largest colonial power, with its overseas colonies spreading across Europe, Asia, the United States, Africa and Australia, and it was therefore known as the ‘Empire of the Sun Never Sets’.