5 May 1886 CE: One day after and about 90 miles north of the Haymarket Affair, members of the Wisconsin National Guard open fire on workers striking for a eight-hour work day, killing seven in what is known as the Bay View Massacre.
2 May 1952 CE: The world's first commercial passenger flight on a jet takes place on a de Havilland Comet flying from London to Johannesburg
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