Timeline of events 1679--1686

  • A date of January 1 in a given year indicates that the year is certain but the month and day are not.
  • Exceptions are public appointments to Deft's city offices, which took effect on January 1 of each year.
Date
December 13, 1684 sister Catharina Philips Leeuwenhoek received legacy from great uncle Johan Sebastiaans van den Berch
December 20, 1684 cousin Geertruijt Huijchs Leeuwenhoek buried
January 1, 1685 cousin Maerten Huijchs Leeuwenhoek appointed tax farmer
January 1, 1685 Published Onsigtbare Verborgentheden (Invisible Mysteries), Letters 38, 42, 43
January 1, 1685 Published Zaden van Boomen (Seeds of Trees), Letters 46, 47
January 1, 1685 Published Sout-figuren (Salt figures), Letters 44, 45
January 1, 1685 Published Anatomia et Contemplatio (Anatomy and Contemplation), Letters 43, 42, 38
January 5, 1685 Wrote Letter 43 of 1685-01-05 (AB 82) to Members of the Royal Society
January 23, 1685 Wrote Letter 44 of 1685-01-23 (AB 83) to Members of the Royal Society
February 13, 1685 Visited by Thomas Molyneux on behalf of the Royal Society
March 30, 1685 Wrote Letter 45 of 1685-03-30 (AB 84) to Members of the Royal Society
July 2, 1685 sister Catharina appointed as tax collector for three years
July 11, 1685 cousin Adriaen Lambrechts Leeuwenhoek appointed curator
July 13, 1685 Wrote Letter 46 of 1685-07-13 (AB 85) to Members of the Royal Society
July 22, 1685 At age 52, his 25th publication in Philosophical Transactions
August 10, 1685 Wrote letter of 1685-08-10 (AB 86) to Anthonie Heinsius
August 27, 1685 editor Edmond Halley did not publish any letters by Leeuwenhoek in Philosophical Transactions from 1685 to 1693
September 21, 1685 Wrote letter of 1685-09-21 (AB 87) to Anthonie Heinsius
October 12, 1685 Wrote Letter 47 of 1685-10-12 (AB 88) to Members of the Royal Society
December 25, 1685 cousin Elisabeth Maertens Leeuwenhoek married Dirck van Schie
January 1, 1686 Sat for his oil portrait by artist Johannes Verkolje (1650-1693)
January 1, 1686 Published Cinnaber Naturalis (Natural Cinnabar), Letters 48 - 52
January 1, 1686 Published Levende Dierkens (Living Animals), Letters 28 - 31, 34 - 36
January 22, 1686 Wrote Letter 48 of 1686-01-22 (AB 89) to Members of the Royal Society
January 27, 1686 The Royal Society elected Edmond Halley as clerk
March 2, 1686 editor Edmond Halley wrote a letter to Leeuwenhoek
April 2, 1686 Wrote Letter 49 of 1686-04-02 (AB 90) to Members of the Royal Society
May 14, 1686 Wrote letter of 1686-05-14 (AB 91) to Antonio Magliabechi
May 14, 1686 Wrote Letter 50 of 1686-05-14 (AB 92) to Members of the Royal Society
May 19, 1686 The Royal Society decided to send a gift to Leeuwenhoek
May 25, 1686 editor Edmond Halley wrote a letter to Leeuwenhoek
June 8, 1686 Bought a burial section in the Oude Kerk
June 10, 1686 Wrote Letter 51 of 1686-06-10 (AB 93) to Members of the Royal Society
June 16, 1686 The Royal Society officers declared their satisfaction with election of Edmond Halley
July 10, 1686 Wrote Letter 52 of 1686-07-10 (AB 94) to Members of the Royal Society
September 7, 1686 Examined silkworm eggs
September 10, 1686 Wrote letter of 1686-09-10 (AB 95) to Daniël Papenbroek
October 30, 1686 Wrote letter of 1686-10-30 (AB 96) to Antonio Magliabechi

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