Rothman is managing editor at TIME. Rothman is managing editor at TIME. Exactly a century ago this Friday, on the morning of Feb. 24, 1917, the office of U.S. Secretary of State Robert Lansing ...

Add Yahoo as a preferred source to see more of our stories on Google. On this day in 1917, President Woodrow Wilson learned of a shocking piece of paper that made America’s entry into World War I ...

The restored home of the Mexican Telegraph Company’s Galveston transmission shack. The historic Zimmerman Telegram, which played some role in galvanizing support for U.S. involvement in World War I, ...

One hundred years ago, a crisis in Mexican-American relations changed the course of history. Front pages blared the news that would precipitate U.S. entry into World War I: the publication of the ...

Publication of an intercepted cable exposed a clumsy German effort to forge an alliance with Mexico and helped propel the United States into the Great War. Cartoon in reaction to the Zimmermann ...

On March 1, 1917, an explosive story hit the front pages of major U.S. newspapers, about a German telegram that had fallen into the hands of the American government. By then, the United States was ...

The historical marker in Galveston commemorating the city's involvement in relaying the historic Zimmerman Telegram, which played some role in galvanizing support for U.S. involvement in World War I.

This article was featured in the One Story to Read Today newsletter. Sign up for it here. The most colossally stupid and historically consequential mismanagement of classified war plans in an ...

In “Decoding the Zimmermann Telegram, 100 Years Later” (op-ed, Feb. 24), Arthur Herman contends that before entering the war in 1917 Woodrow Wilson had been scrupulously neutral. That is not even ...

Add Yahoo as a preferred source to see more of our stories on Google. Exactly a century ago this Friday, on the morning of Feb. 24, 1917, the office of U.S. Secretary of State Robert Lansing received ...