History
Constitutional Amendments and the Difficulty of Change
Quick fact
The U.S. Constitution has been amended only 27 times in over 230 years, and 10 of those were the Bill of Rights added in 1791. Since 1971, only one amendment has passed—the 27th, ratified in 1992 after 202 years of waiting.
Why this is interesting
Ever tried to change the rules of a game you love, but everyone insists on a two-thirds vote? That's no accident—it's the secret to why constitutions stand the test of time.