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1893 BCE
The cell theory.
The cell theory was formulated in 1893 (date and month not specified) by Matthias Schleiden, Theodor Schwann, Rudolph Virchow. -
Period: 1665 BCE to 1683 BCE
Microscopic discovery of microorganisms.
The existence of microscopic organisms was founded during the period 1665-83 by two Fellows of The Royal Society, Robert Hooke and Antonie van Leeuwenhoek. -
Period: 1660 BCE to 1669 BCE
The origin of the word cell.
The Origins Of The Word 'Cell' In the 1660s (exact date and month not specified) was when Robert Hooke looked through a predated microscope at a narrowly cut piece of cork. He saw a series of enclosed boxes that reminded him of the miniature rooms, or cellula, that monks reside in. -
1590 BCE
The first microscope.
The first microscope was created in 1590 (the date and month was not specified) by the father and son team Hans and Zacharias Janssen.