Chronology of events: 1694--1702

For some events, the year is certain but the month and day are not. Example: We know only the year for the collections of Leeuwenhoek's letters published in Dutch during his lifetime.

For other events, the season or month are certain but the day is not. Example: Leeuwenhoek mentions that someone visited him "last month".

On the other hand, many events did indeed happen on the first day of a month. Example: public appointments to Delft's city offices took effect on January 1 of each year. Thus:

  • A date of January 1 in a given year may indicate that the year is certain but the month and day are not.
  • A date of 1 in a given month may indicate that the year and month are certain but the day is not.

Unless otherwise indicated, for events in England, the date given is Old Style, 10 days behind the Dutch Republic's New Style until 1700 and then 11 days behind.

Date
January 1, 1694 Published Onsigbare Geschapene Waarheden (Invisible Creation Truths), Letters 32, 39, 33
January 1, 1694 Published Vierde Vervolg der Brieven (Fourth Continuation of the Letters), Letters 76 - 83
January 6, 1694 wife Cornelia Johannes Swalmius buried
January 19, 1694 Wrote letter of 1694-01-19 (AB 130) to Richard Waller
January 24, 1694 Wrote Letter 78 of 1694-01-24 (AB 131) to Members of the Royal Society
January 31, 1694 Richard Waller wrote to Leeuwenhoek about colors and sperm inside of eggs
February 12, 1694 Wrote letter of 1694-02-12 (AB 132) to Richard Waller
February 12, 1694 Presented act of guardianship to the Weeskamer after Cornelia's death
February 24, 1694 Wrote Letter 79 of 1694-02-24 (AB 133) to Members of the Royal Society
February 28, 1694 Benedictus Haan wrote to Leeuwenhoek agreeing with him against George Garden about the female ovary
March 2, 1694 Wrote Letter 80 of 1694-03-02 (AB 134) to Members of the Royal Society
March 2, 1694 Presented Cornelia's will to the Weeskamer
March 19, 1694 Wrote Letter 81 of 1694-03-19 (AB 135) to Members of the Royal Society
April 2, 1694 Wrote Letter 82 of 1694-04-02 (AB 136) to Members of the Royal Society
April 30, 1694 Wrote Letter 83 of 1694-04-30 (AB 137) to Members of the Royal Society
May 11, 1694 Received an honorarium from the city for the Fourth Continuation of the Letters
May 26, 1694 Wrote letter of 1694-05-26 (AB 138) to Richard Waller
July 30, 1694 Arnold Ramp appointed tax collector for livestock sales
September 14, 1694 Wrote Letter 84 of 1694-09-14 (AB 139) to Richard Waller
November 3, 1694 Lent 400 guilders to Leendert van Bijstervelt
November 24, 1694 cousin Maerten Huijchs Leeuwenhoek buried
November 29, 1694 microscopist Marcello Malpighi died
November 30, 1694 Wrote Letter 85 of 1694-11-30 (AB 140) to Pieter Rabus
January 1, 1695 Published Arcana Naturae Detecta (Nature's Mysteries Disclosed), Letters 32, 33, 37, 39 - 41, 61 - 92
January 1, 1695 Published Register van alle de Werken, Letters 28 - 83
April 10, 1695 Wrote Letter 86 of 1695-04-10 (AB 141) to Anthonie Heinsius
April 22, 1695 Wrote Letter 87 of 1695-04-22 (AB 142) to Frederik Adriaan van Reede van Renswoude
April 30, 1695 Bought bonds and annuities from the city of Delft
May 1, 1695 Wrote Letter 88 of 1695-05-01 (AB 143) to Anthonie Heinsius
May 18, 1695 Wrote Letter 89 of 1695-05-18 (AB 144) to Frederik Adriaan van Reede van Renswoude
May 21, 1695 Wrote letter of 1695-05-21 (AB 145) to Pieter Rabus
May 23, 1695 Wrote letter of 1695-05-23 (AB 146) to Maarten Etienne van Velden
July 8, 1695 Christiaan Huygens died
July 10, 1695 Wrote Letter 90 of 1695-07-10 (AB 147) to Frederik Adriaan van Reede van Renswoude
July 12, 1695 Wrote letter of 1695-07-12 (AB 148) to Maarten Etienne van Velden
July 20, 1695 Wrote Letter 91 of 1695-07-20 (AB 149) to Anthonie Heinsius
July 21, 1695 Wrote letter of 1695-07-21 (AB 150) to Pieter Rabus
August 1, 1695 Visited by Johann Wilhelm von Pfalz-Neuburg, Elector Palatine, his wife and his mother
August 15, 1695 Wrote Letter 92 of 1695-08-15 (AB 151) to Frederik Adriaan van Reede van Renswoude
August 15, 1695 Wrote letter of 1695-08-15 (AB 152) to Antonio Magliabechi
August 16, 1695 Wrote letter of 1695-08-16 (AB 153) to Antonio Magliabechi
August 18, 1695 Wrote Letter 93 of 1695-08-18 (AB 154) to Anthonie Heinsius
August 20, 1695 Wrote Letter 94 of 1695-08-20 (AB 155) to Frederik Adriaan van Reede van Renswoude
September 10, 1695 Wrote letter of 1695-09-10 (AB 156) to Pieter Rabus
September 18, 1695 Wrote Letter 95 of 1695-09-18 (AB 157) to Johann Wilhelm von Pfalz-Neuburg
October 18, 1695 Wrote letter of 1695-10-18 (AB 158) to Antonio Magliabechi
October 31, 1695 Wrote letter of 1695-10-31 (AB 159) to Antonio Magliabechi
November 3, 1695 Wrote Letter 96 of 1695-11-03 (AB 160) to Johann Wilhelm von Pfalz-Neuburg
December 1, 1695 Wrote letter of 1695-12-01 (AB 161) to Frederik Adriaan van Reede van Renswoude
December 14, 1695 Received an honorarium from the city for the Fifth Continuation of the Letters
December 22, 1695 Wrote letter of 1695-12-22 (AB 162) to Antonio Magliabechi
December 28, 1695 Wrote Letter 97 of 1695-12-28 (AB 163) to Hendrik van Bleyswijk
January 1, 1696 Published Sout-figuren (Salt figures), Letters 44, 45 (2nd)
January 1, 1696 Published Levende Dierkens (Living Animals), Letters 28 - 31, 34 - 36 (2nd)
January 1, 1696 Published Continuatio Epistolarum (Continuation of the Letters), Letters 53-60 (2nd)
January 1, 1696 Published Arcana Naturae Microscopiorum (Nature's Mcroscopical Mysteries), 19 Letters from 28 - 52 (2nd)
January 1, 1696 Published Vijfde Vervolg der Brieven (Fifth Continuation of the Letters), Letters 84 - 96
January 1, 1696 Published Antony van Leeuwenhoeks 40ste Missive, Geschreven aan (Written to) de Heer Francois Aston
January 1, 1696 Published Antony van Leeuwenhoeks 37ste Missive, Geschreven aan (Written to) de Heer Cristopher Wren
February 20, 1696 Wrote Letter 98 of 1696-02-20 (AB 164) to Frederik Adriaan van Reede van Renswoude
March 8, 1696 Wrote Letter 99 of 1696-03-08 (AB 165) to Nicolaas Witsen
May 16, 1696 Pieter Rabus wrote to Leeuwenhoek about dowsing rods
June 1, 1696 Wrote letter of 1696-06-01 (AB 166) to Pieter Rabus
June 9, 1696 Asked to keep safe disputed sacks of buckwheat while the magistrates heard the case
June 27, 1696 Named as renter of a garden outside the Schoolpoort
July 6, 1696 Wrote Letter 100 of 1696-07-06 (AB 167) to Nicolaas Witsen
July 10, 1696 Wrote Letter 102 of 1696-07-10 (AB 169) to Members of the Royal Society
July 10, 1696 Wrote Letter 101 of 1696-07-10 (AB 168) to Nicolaas Witsen
July 16, 1696 Wrote Letter 103 of 1696-07-16 (AB 170) to Frederik Adriaan van Reede van Renswoude
July 23, 1696 Wrote letter of 1696-07-23 (AB 171) to Pieter Rabus

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