Today in History is a daily newsletter from Britannica. (more) Today in History—June 6: World War II’s D-Day Gets Underway Written by Michele Metych Michele Metych is the lead editor for Today in History at Encyclopædia Britannica. Michele Metych Fact-checked by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors Last updated June 3, 2026 •History “OK, we’ll go.” Today in History is a daily newsletter from Britannica. Encyclopædia Britannica, Inc. Want to learn more about what happened on June 6, or any other day of the year? Sign up to receive the newsletter in your inbox every morning. In the end, it all came down to those words, spoken by American Gen. Dwight D. Eisenhower on June 5, 1944, as he gave the green light to launch Operation Overlord the...

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