Template:Selected anniversaries/April 13: Difference between revisions

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||1873 – The Colfax massacre, in which more than 60 African Americans are murdered, takes place.
||1873 – The Colfax massacre, in which more than 60 African Americans are murdered, takes place.
||Francesco Severi (b. 13 April 1879) was an Italian mathematician.


||1889 – Herbert Yardley, American cryptologist and author (d. 1958)
||1889 – Herbert Yardley, American cryptologist and author (d. 1958)

Revision as of 14:28, 5 November 2017