Is this history’s most important feud? Donald Trump and Elon Musk have fallen out. Some think their break-up could affect the whole world.
Richest billionaire v most powerful man
Punch up: Trump complained this weekend that Musk had been "very disrespectful", and announced that the relationship would not be mended. Glossary
Elon Musk - A South African-born entrepreneur whose companies have included the online payment service PayPal. He now controls Twitter, renamed 'X'.
Donald Trump - An American politician, media personality, and businessman serving as the 47th president of the United States since January 2025. A member of the Republican Party, he previously served as the 45th president from 2017 to 2021.
Nuclear - A nuclear weapon has a devastating potential to cause damage. A few countries around the world have them.
Election - A vote in which someone is chosen to represent a group of people.
Feud - A bitter, long-term argument or disagreement.
Government - The group of people who govern - or lead - the country.
Roman Empire - Lasting from 27BC to 476AD, the Roman Empire controlled regions around the Mediterranean in Europe, North Africa and Western Asia.
Julius Caesar - A Roman general, politician, and dictator (100–44 BCE) who played a key role in the fall of the Roman Republic and the rise of the Roman Empire. He was stabbed to death by a group of Roman senators.
Medieval - Relating to the Middle Ages.
Rebellion - A refusal to obey authority, often involving resistance or uprising against a government or ruling power.