Donald Trump launched 59 missiles into Syria.
The attack came three days after a chemical attack on Khan Shaykhun.
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Booker T. Washington became the first Black person pictured on a US postage stamp.
France initiated the War of the League of Cambrai against Venice.
The United Nations formed the World Health Organization (WHO).
The Soviet K-278 Komsomolets nuclear submarine caught fire and sank off the coast of Norway.
Mount Vesuvius volcano erupted, devastating Naples in the process.
