<a href="https://en.wikipedia.org/wiki/Herman_Hollerith" id="mwfw" rel="mw:WikiLink" title="Herman Hollerith">Herman Hollerith</a> applies for US <a href="https://en.wikipedia.org/wiki/Patent" id="mwgA" rel="mw:WikiLink" title="Patent">patent</a> #395,781 for the 'Art of Compiling Statistics', which was his <a href="https://en.wikipedia.org/wiki/Punched_card" id="mwgQ" rel="mw:WikiLink" title="Punched card">punched card</a> <a href="https://en.wikipedia.org/wiki/Calculator" id="mwgg" rel="mw:WikiLink" title="Calculator">calculator</a>.