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1245 - Thomas, the first known Bishop of Finland, is granted resignation after having confessed to torture and forgery.
1431 - Joan of Arc's first day of interrogation during her trial for heresy
1804 - 1st locomotive, Richard Trevithick's, runs for 1st time, in Wales
1858 - Edwin T Holmes installs 1st electric burglar alarm (Boston, Mass)
1887 - 1st US bacteriology laboratory opens (Brooklyn)
21 February Knowledge History - Science, Engineering and Management