America250 — 250 years since 1776. Explore two and a half centuries of American history. Start the tour

April 21

Anniversaries in American history that fall on April 21.

1838 · People / Scientists & Inventors

Naturalist, Writer, and Father of the American Conservation Movement

1836 · People / Military Leaders

President of Texas, U.S. Senator, and the man who refused to take the Confederacy's oath