All Scenarios
Browse all alternate history scenarios across different time periods and regions.
What If the Industrial Revolution Began Earlier?
Exploring how world history would have unfolded if mechanized production and industrial technologies had emerged in the 17th century rather than the 18th, fundamentally altering the trajectory of global development.
What If European Chemistry Developed Synthetic Materials Earlier?
Exploring how world history would have unfolded if European chemists had discovered and developed synthetic materials like plastics, synthetic fibers, and advanced pharmaceuticals in the 18th century rather than the 19th and 20th centuries.
What If the European Union Never Formed?
Exploring how Europe and the world would have developed if European integration had followed different paths after World War II.
What If Roman Concrete Formula Was Never Lost?
Exploring how architecture, engineering, and infrastructure might have developed if the Roman technique for making durable concrete had been continuously known and used throughout the medieval period and beyond.
What If the American Revolution Failed?
Exploring how world history would have unfolded if British forces had defeated the colonial rebellion, maintaining control of North America and fundamentally altering the development of democratic movements worldwide.
What If Pyrrhus Conquered Rome?
Exploring how world history would have unfolded if Pyrrhus of Epirus had succeeded in his Italian campaign, establishing a Hellenistic kingdom in Italy.