European Union

The European Union, an unprecedented supranational union of 27 member states, evolved from the 1957 Treaty of Rome's European Economic Community. Progressive integration - the Single Market (1993), the euro (1999-2002), and eastward expansion after 1989 - created the world's largest trading bloc. Brexit (2020) marked the first state to leave. The EU won the 2012 Nobel Peace Prize for its role in preventing war between European nations.

MyHistorian
A causal knowledge graph of history