+100
History's most spectacular oops moments
Explore the most surprising, costly, and downright bizarre miscalculations in human history, from battles fought against imaginary enemies to engineering projects gone completely sideways.
4 chapters75 assets
by schopenhauer · Sep 25, 2026
Earn 100 gems when you complete this project
Top 3
Be the first to earn points here
Chapter 1
When battle plans backfire
1The self-inflicted chaos of Karansebes
2The burning ships of Red Cliffs
3The charge of the Light Brigade
4The silent fortress of Singapore
5The wooden horse of Troy
Open chapter
Chapter 2
Engineering errors that made history
1The sinking flagship Vasa
2The foundation failure of Pisa
3The sudden drain of Lake Peigneur
4The collapse of the Tacoma Narrows
5The wobbling Millennium Bridge
Open chapter
Chapter 3
Lost in translation and calculation
1The metric mishap on Mars
2The translation that shook the UN
3The treaty of two meanings
4The map that misplaced California
5The spelling mistake that cost millions
Open chapter
Chapter 4
Ecological and nature backfires
1The war on Chinese sparrows
2The toxic toad invasion
3The green monster that ate the South
4The rabbits that conquered a continent
5The fire suppression that fueled megafires
Open chapter