// todo need optimize like in event.jsp. Add indexing or not indexing this page. Hans Lippershey/Zacharias Janssen develop the first compound microscope (jan 1, 1590 – dec 31, 1599) (Timeline)
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Hans Lippershey/Zacharias Janssen develop the first compound microscope (jan 1, 1590 – dec 31, 1599)

Added to timeline:

Date:

jan 1, 1590
dec 31, 1599
~ 10 years