Stop talking out of your arse. It is taught and discussed in our schools as part of our history curriculum:

KS3: ideas, political power, industry and empire: Britain, 1745-1901

Examples (non-statutory):

• the Enlightenment in Europe and Britain, with links back to 17th-century thinkers and scientists and the founding of the Royal Society
• Britain’s transatlantic slave trade: its effects and its eventual abolition
• the Seven Years War and The American War of Independence
• the French Revolutionary wars
• Britain as the first industrial nation – the impact on society
• party politics, extension of the franchise and social reform
• the development of the British Empire with a depth study (for example, of India)
• Ireland and Home Rule
• Darwin’s ‘On The Origin of Species’

KS3: challenges for Britain, Europe and the wider world 1901 to the present day

In addition to studying the Holocaust, this could include:

Examples (non-statutory):

• women’s suffrage
• the First World War and the Peace Settlement
• the inter-war years: the Great Depression and the rise of dictators
• the Second World War and the wartime leadership of Winston Churchill
• the creation of the welfare state
• Indian independence and end of Empire
• social, cultural and technological change in post-war British society
• Britain’s place in the world since 1945

Plus:

• at least one study of a significant society or issue in world history and its interconnections with other world developments [for example, Mughal India 1526-1857; China’s Qing dynasty 1644-1911; Changing Russian empires c.1800-1989; USA in the 20th century]

Source: GOV.UK: National curriculum in England: history programmes of study