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This Day in American History

July 23

1 historic event on this date

Amendment1967

25th Amendment Ratified

The states completed ratification of the 25th Amendment, which established procedures for filling a vice presidential vacancy and handling presidential disability. The amendment was prompted by concerns raised after President Kennedy's assassination left the vice presidency vacant for over a year.

Why It Matters

The 25th Amendment addressed critical gaps in the presidential succession process and was invoked when Vice President Spiro Agnew resigned in 1973 and when President Nixon resigned in 1974, ensuring stable transitions of power.

Explore the Principles Behind the History

Every event in American history connects to the founding principles. Discover the ideas that shaped these moments.

View the 28 Founding Principles