September 15 in American History

September 15, 1950 — the Inchon landing

General Douglas MacArthur led a daring amphibious assault behind North Korean lines at Inchon, one of the riskiest and most successful operations of the Korean War. It reversed the war's momentum almost overnight — a single bold maneuver changing the entire map.

Common Questions About September 15

What happened on September 15 in American history?

In 1950: the Inchon landing. General Douglas MacArthur led a daring amphibious assault behind North Korean lines at Inchon, one of the riskiest and most successful operations of the Korean War.

Why is September 15 significant?

General Douglas MacArthur led a daring amphibious assault behind North Korean lines at Inchon, one of the riskiest and most successful operations of the Korean War. It reversed the war's momentum almost overnight — a single bold maneuver changing the entire map.

The Daily Poll · Weigh In

Should the U.S. maintain a long-term troop presence in Korea?

Opinion, not a quiz — no wrong answer.

★ Forge Your Freedom

How Well Do You Know American History?

Your Freedom Score puts a number on it — 60 seconds, free. See how you rank, then get a history moment like this in your brief every day.

Take the Free Assessment
Key writes "The Star-Spangled Banner"the Mayflower sets sail