January 1, 1663 |
Christiaen Anhaltin's School-Boeck van de Wyn-Royeryen published |
January 25, 1663 |
son Philips Leeuwenhoek (second) baptized, buried three weeks later |
April 25, 1663 |
brother-in-law Adriaan Johannes Swalmius (1631-1667) married Margrieta van der Burch |
July 2, 1663 |
Christiaan Huygens elected member of the Royal Society |
August 1, 1663 |
Christiaan Huygens received letter from Gutschoven about how to grind small lenses |
January 1, 1664 |
cousin Maerten Huijchs Leeuwenhoek appointed tax farmer |
February 19, 1664 |
cousin Sara Maertens Leeuwenhoek (1664-1693) baptized |
May 11, 1664 |
nephew Johannes Adriaans Swalmius (1664-1693) baptized |
June 25, 1664 |
Bought a garden outside the walls of the city |
August 19, 1664 |
son Philips Leeuwenhoek (third) baptized |
September 3, 1664 |
mother Margriete Jacobs van den Berch (1594-1664) buried in Oude Kerk |
September 29, 1664 |
Owed for store goods by the estate of Elizabeth Cornelis |
November 25, 1664 |
Received a legacy from the estate of great-aunt Aaltge Sebastiaans van den Berch |
January 1, 1665 |
Robert Hooke's Micrographia published |
March 26, 1665 |
Christiaan Huygens acquired Hooke's Micrographia |
July 13, 1665 |
Appointed guardian of second cousin Maria van Halmael |
January 1, 1666 |
mentor Reinier de Graaf (1641-1673) moved to Delft |
May 28, 1666 |
cousin Elisabeth Maertens Leeuwenhoek (1666-1743) baptized |
June 27, 1666 |
son Philips Leeuwenhoek (third) buried in Oude Kerk |
July 14, 1666 |
wife Barbara de Meij buried in Oude Kerk |
October 10, 1666 |
Appointed district supervisor (wijkmeester generaal) |
January 1, 1667 |
Dirck van Bleyswyck's Beschryvinge der Stadt Delft, Description of the City of Delft, published |
February 5, 1667 |
mentor Jacob Spoors married Trijntge Jans |
March 11, 1667 |
Presented will after wife Barbara's death |
May 2, 1667 |
brother-in-law Adriaan Johannes Swalmius (1631-1667) buried |
May 18, 1667 |
Appointed curator of estate of Simon de Bourbon |
July 15, 1667 |
Appeared before the Weescamer to begin the process of curating the estate of Simon de Bourbon |
September 15, 1667 |
aunt Cornelia Jacobs van den Berch buried in Oude Kerk |
January 1, 1668 |
Traveled to England |
June 13, 1668 |
grandfather Thonis Phillips Leeuwenhoek's will of 1643 presented |
November 14, 1668 |
Delivered to the Weescamer his first accounting as curator over the person and assets of Sijmon Bourbon |
January 1, 1669 |
cousin Pieter Abrahams Hogenhouck (-1679) appointed mayor in 1669-1673, 1677 |
February 4, 1669 |
Certified as a surveyor after passing the oral examination |
February 15, 1669 |
uncle Huijch Thonis Leeuwenhoek buried in Nieuwe Kerk |
October 8, 1669 |
daughter Maria named in will of her aunt Maria de Meij |
July 13, 1670 |
cousin Cornelis Lambrechts Leeuwenhoek (1670-1702) baptized |
September 2, 1670 |
Appointed co-wine gauger to help Dirk Arisz. |
November 28, 1670 |
Delivered to the Weescamer his second accounting as curator over the person and assets of Sijmon Bourbon |
December 16, 1670 |
Delivered to the Weescamer the document disposing of the late Sijmon Bourbon's assets |
January 8, 1671 |
Testified to marriage conditions with Cornelia Swalmius |
January 17, 1671 |
daughter Maria made a will |
January 25, 1671 |
Married Cornelia Johannes Swalmius |
April 14, 1671 |
Agreed to act as steward for land inherited by second wife Cornelia |
May 30, 1671 |
cousin Anthonij Lambrechts Leeuwenhoek (1653-1671) buried in Oude Kerk |
October 15, 1671 |
wife Cornelia Johannes Swalmius (1634-1694) testified to marriage conditions with Antony |
January 10, 1672 |
sister-in-law Elisabeth Johannes Swalmius married Paulus Marcel |
February 17, 1672 |
Jan Strick was buried |
April 9, 1672 |
Disaster Year: Delft sent troops to help defend against the invading French army |
June 12, 1672 |
mentor Reinier de Graaf married Maria van Dijck |
June 29, 1672 |
Disaster Year: unemployed protestors from Schiedam occupied Delft city hall |
July 8, 1672 |
Prince Willem III wrote to the burgemeesters of Delft that those not cooperating in repelling the enemy will be severely punished |
September 10, 1672 |
Prince Willem III wrote to the burgemeesters of Delft concerning the naming of new regents |
September 10, 1672 |
mentor Dr. Cornelis 's Gravesande appointed to Veertigraad |
September 10, 1672 |
Disaster Year: half of the Veertigraad replaced with pro-Orangist regents |
September 21, 1672 |
daughter Maria made a will |
November 7, 1672 |
nephew Arnold Marcel (1672-1748) baptized in Dordrecht |
April 1, 1673 |
cousin Magdaleentje (Helena) Maertens Leeuwenhoek (1653-1720) married Johannes de Coep |
April 28, 1673 |
Wrote Letter 1 of 1673-04-28 (AB 1) to Henry Oldenburg |
May 7, 1673 |
The Royal Society received Leeuwenhoek's first letter |
May 19, 1673 |
At age 40, first letter published in Philosophical Transactions |
May 25, 1673 |
Henry Oldenburg wrote to Reinier de Graaf about the Royal Society's reception of Leeuwenhoek's first letter |
August 8, 1673 |
mentor Constantijn Huygens wrote to Robert Hooke about Leeuwenhoek as "exceedingly curious and industrious" |
August 15, 1673 |
Wrote Letter 2 of 1673-08-15 (AB 2) to Henry Oldenburg |
August 21, 1673 |
mentor Reinier de Graaf buried |
October 6, 1673 |
First letter's ten figures published in Philosophical Transactions |
October 24, 1673 |
Leeuwenhoek's family members in 1673 |
November 8, 1673 |
Wrote letter of 1673-11-08 (AB 3) to Henry Oldenburg |
November 28, 1673 |
Named as administrator of the estate of Willem Jans Croonenburgh |
January 1, 1674 |
Paid the Familiegeld (estate tax) |
February 12, 1674 |
Constantijn Huygens wrote to Oldenburg about Leeuwenhoek and his own single-lens microscope |
March 10, 1674 |
nieces Margrieta and Maria Jans de Molijn married Arnoldus van den Heuvel and Cornelis Haaxman |
March 18, 1674 |
sister-in-law Maria de Meij married Pieter Schepens |
April 5, 1674 |
Wrote letter of 1674-04-05 (AB 4) to Constantijn Huygens |
April 7, 1674 |
Wrote Letter 3 of 1674-04-07 (AB 5) to Henry Oldenburg |
April 16, 1674 |
Wrote letter of 1674-04-16 (AB 6) to Henry Oldenburg |
April 24, 1674 |
Wrote letter of 1674-04-24 (AB 7) to Constantijn Huygens |
April 24, 1674 |
Appointed curator of the abandoned estate of Bartholomeus Ritmeier |
May 4, 1674 |
Henry Oldenburg wrote to Leeuwenhoek requesting that he examine saliva, chyle, sweat, and sperm |
June 1, 1674 |
Wrote Letter 4 of 1674-06-01 (AB 8) to Henry Oldenburg |
July 6, 1674 |
Wrote Letter 5 of 1674-07-06 (AB 9) to Henry Oldenburg |
August 1, 1674 |
First observed microbes |
August 5, 1674 |
Visited by Holger Jacobæus, the Bartholin brothers, and Arent Seyn; described as "ingenious but illiterate" |
August 15, 1674 |
Visited by Johannes Swammerdam |
August 16, 1674 |
Ordered as curator to hand over the debt books of Bartholomeus Ritmeier |
August 24, 1674 |
daughter Maria made a will |
August 30, 1674 |
Henry Oldenburg wrote to Leeuwenhoek encouraging him to send more observations |
September 7, 1674 |
Wrote letter of 1674-09-07 (AB 10) to Henry Oldenburg |
September 7, 1674 |
Wrote Letter 6 of 1674-09-07 (AB 11) to Henry Oldenburg |
October 19, 1674 |
Wrote Letter 7 of 1674-10-19 (AB 12) to Henry Oldenburg |
October 25, 1674 |
The Royal Society began requiring an oath of secrecy from the members who attended meetings |
November 5, 1674 |
Henry Oldenburg wrote to Leeuwenhoek encouraging him and asking about the kind of salt he was observing |
November 12, 1674 |
The Royal Society read and discussed Leeuwenhoek's letter of June 1, 1674 |
December 4, 1674 |
Wrote Letter 8 of 1674-12-04 (AB 13) to Henry Oldenburg |
December 21, 1674 |
Appointed to administer the affairs of sister-in-law Maria de Meij |
December 22, 1674 |
sister-in-law Maria de Meij and Pieter Schepens granted a divorce |
December 24, 1674 |
Henry Oldenburg wrote to Leeuwenhoek about his doubts about globules |
December 26, 1674 |
Wrote letter of 1674-12-26 (AB 14) to Constantijn Huygens |
December 31, 1674 |
sister-in-law Catharina Swalmius buried |
January 1, 1675 |
cousin Maerten Huijchs Leeuwenhoek appointed tax farmer |
January 20, 1675 |
Christiaan Huygens wrote to Henry Oldenburg doubting Leeuwenhoek's observations of globules |
January 22, 1675 |
Wrote Letter 9 of 1675-01-22 (AB 15) to Henry Oldenburg |
February 2, 1675 |
Henry Oldenburg wrote to Christiaan Huygens about doubting Leeuwenhoek's globules |
February 11, 1675 |
Wrote Letter 10 of 1675-02-11 (AB 16) to Henry Oldenburg |
February 19, 1675 |
Henry Oldenburg wrote to Leeuwenhoek in response to his letter of 1675-01-22 |
March 26, 1675 |
Wrote Letter 11 of 1675-03-26 (AB 17) to Henry Oldenburg |
April 12, 1675 |
Henry Oldenburg wrote to Leeuwenhoek recommending that he get help from knowledgable people |
August 14, 1675 |
Wrote Letter 12 of 1675-08-14 (AB 18) to Henry Oldenburg |
August 22, 1675 |
Henry Oldenburg wrote to Leeuwenhoek acknowledging reciept of his letters |
September 15, 1675 |
First observed microbes in rain water |
December 15, 1675 |
Jan Vermeer, the painter, buried |
December 20, 1675 |
Wrote Letter 13 of 1675-12-20 (AB 19) to Henry Oldenburg |
January 7, 1676 |
Henry Oldenburg wrote to Leeuwenhoek about the reaction in London to his observations |
January 22, 1676 |
Wrote letter of 1676-01-22 (AB 20) to Henry Oldenburg |
January 26, 1676 |
sister-in-law Maria de Meij buried |
February 13, 1676 |
Henry Oldenburg wrote to Leeuwenhoek requesting that he examine hair |
February 22, 1676 |
Wrote Letter 14 of 1676-02-22 (AB 21) to Henry Oldenburg |
April 5, 1676 |
co-worker Daniel Bogaert married Maria van Rees |
April 21, 1676 |
Wrote Letter 15 of 1676-04-21 (AB 22) to Henry Oldenburg |
April 24, 1676 |
Began series of experiments to observe microbes |
April 26, 1676 |
Began Pepper 2 experiment |
May 4, 1676 |
Henry Oldenburg wrote to Leeuwenhoek about Hooke's and Grew's reactions to recent observations |
May 29, 1676 |
Wrote Letter 16 of 1676-05-29 (AB 23) to Henry Oldenburg |
July 1, 1676 |
Visited by Christiaan Huygens during the summer; he saw the microbes in Leeuwenhoek's infusions |
July 28, 1676 |
Wrote letter of 1676-07-28 (AB 24) to Henry Oldenburg |
July 28, 1676 |
Wrote Letter 17 of 1676-07-28 (AB 25) to Robert Boyle |
September 30, 1676 |
Appointed curator of estate of Catherine Bolnes, Vermeer's widow |
October 8, 1676 |
Henry Oldenburg wrote to Leeuwenhoek; sent Philosophical Transactions no. 127 |
October 9, 1676 |
Wrote Letter 18 of 1676-10-09 (AB 26) to Henry Oldenburg |
October 16, 1676 |
Henry Oldenburg wrote to Leeuwenhoek acknowledging receipt of the letter of 1676-10-09 |
October 23, 1676 |
mentor Cornelis 's Gravesande lent money to Sijmons Decker |
October 30, 1676 |
Wrote letter of 1676-10-30 (AB 27) to Henry Oldenburg |
November 2, 1676 |
Henry Oldenburg wrote to Leeuwenhoek that he would write at greater length soon |
November 7, 1676 |
Wrote letter of 1676-11-07 (AB 28) to Constantijn Huygens |
November 18, 1676 |
Visited by Gottfried Leibniz |
November 25, 1676 |
Magistrates approved payment by Maria Thins so Leeuwenhoek could pay Vermeer's creditors |
November 27, 1676 |
Wrote letter of 1676-11-27 (AB 29) to Henry Oldenburg |
January 22, 1677 |
mentor Jacob Spoors buried |
January 26, 1677 |
Constantijn Huygens wrote to Oldenburg about Leeuwenhoek, a "painstaking man" who should be "cherished" |
January 30, 1677 |
cousin Lambrecht Huijchs Leeuwenhoek (1624-1701) bought A0129 Buitenwatersloot 214 |
February 2, 1677 |
Recovered twenty-six paintings from Jannetje Stevens to help pay Catherine Bolnes' creditors |