British aristocracy refers to the social class in the United Kingdom that historically held significant power, wealth, and land. This class is often associated with titles such as Duke, Marquess, Earl, Viscount, and Baron. Aristocrats typically owned large estates and played important roles in politics and society, especially before the rise of the middle class. Over time, the influence of the British aristocracy has diminished, particularly after events like the Industrial Revolution and the two World Wars. Today, while some aristocratic families still exist, their roles are largely ceremonial, and many have adapted to modern society, engaging in various professions and businesses.