2. Ratification of the U.S. Constitution (1787)

The ratification of the U.S. Constitution in 1787 laid the cornerstone for American democracy, creating a unique system of checks and balances. This visionary framework inspired countless nations to craft their own constitutions. The inclusion of the Bill of Rights soon after ensured essential freedoms for every citizen—rights now cherished around the world. The Constitution’s enduring principles continue to guide and protect democracy today. Explore more at the Library of Congress.