10 Mistakes That Changed History

From breakups that ended empires to naps that sank ships, 10 Mistakes That Changed History reveals how overlooked historical errors are responsible for some of the most era-defining events of the past.

Featuring many of the most recognisable characters and episodes in history, from Cleopatra to the sinking of the Titanic, comedian and historian Paul Coulter reframes our understanding of these pivotal moments, revealing how human errors and their unintended outcomes have governed our world – and will likely determine our future.

Packed full of surprising facts and funny stories, 10 Mistakes That Changed History is a greatest hits of bad leadership decisions, misguided acts of heroism and mankind’s most catastrophic lapses of judgement. These are the very human stories that have shaped our world, all with monumental consequences.

Review

Coulter is the British history teacher you wish you had in high school. ― On the Record

Engaging. passionate and quirky, these tales come together to prove history is anything but dull. ― Scottish Mail on Sunday

About the Author

Paul Coulter is a British comedian and historian based in Sydney, Australia. Paul is the writer and performer behind the Edinburgh Festival Fringe smash-hit, sell-out historical storytelling comedy show 5 Mistakes That Changed History. The show was a huge hit on the comedy festival circuit, selling out two years in a row at both the Edinburgh Festival Fringe and Adelaide Fringe Festival in 2023 and 2024. Popular with both history-loving audiences and critics alike, 5 Mistakes That Changed History received fantastic reviews and was named one of the 'Picks of the Fringe'.

Originally from Dorset, Paul is a history fanatic and read history at University College London. In 2025, Paul will be bringing his unique blend of history, storytelling and comedy to major comedy and history festivals around the world.