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Dashed edge = started before, or continues beyond, this day
Events on Thursday 1 March 1917 2
1917Zimmermann Telegram revealedGerman proposal to Mexico exposedBritish intelligence intercepted a coded German telegram proposing a military alliance with Mexico against the United States. Its publication on 1 March inflamed American public opinion and helped push the US toward entering the war. It remains one of the most consequential intercepted messages in diplomatic history.
1917 – 1977Robert Lowell (1917-1977)Died 12 September 1977, aged 60Robert Lowell was an American poet and a leading figure of the confessional poetry movement. He won the Pulitzer Prize twice during a career that shaped mid-20th-century American poetry.