// todo need optimize like in event.jsp. Add indexing or not indexing this page. Watt steam engine invented by James Watt (jan 1, 1763 – jan 1, 1775) (Timeline)
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Watt steam engine invented by James Watt (jan 1, 1763 – jan 1, 1775)

Added to timeline:

21 Nov 2018

Date:

jan 1, 1763
jan 1, 1775
~ 12 years