In Jul 1662 John Flamsteed Astronomer (age 15) read De Sphaera Mundi.
On 12 Sep 1662 John Flamsteed Astronomer (age 16) witnessed his first partial Eclipse of the Sun.
Around Jul 1663 John Flamsteed Astronomer (age 16) read Art of Dialling.
In Aug 1665 John Flamsteed Astronomer (age 18) wrote his first paper on astronomy, entitled Mathematical Essays, concerning the design, use and construction of an astronomer's quadrant, including tables for the latitude of Derby.
In Sep 1670 John Flamsteed Astronomer (age 24) visited Cambridge and entered his name as an undergraduate at Jesus College. While it seems he never took up full residence, he was there for two months in 1674, and had the opportunity to hear Isaac Newton's (age 27) Lucasian Lectures.
On 02 Feb 1675 John Flamsteed Astronomer (age 28) arrived in London. He stayed at the Tower of London [Map] with Jonas Moore (age 57). He was taken by Silius Titus (age 52) to meet King Charles II of England Scotland and Ireland (age 44).
On 04 Mar 1675 John Flamsteed Astronomer (age 28) was appointed The King's Astronomical Observator with an allowance of £100 a year.
On 10 Aug 1675 John Flamsteed Astronomer (age 28) laid the foundation stone of the Greenwich Observatory, Greenwich.
In Feb 1676 John Flamsteed Astronomer (age 29) was appointed Fellow of the Royal Society.
Evelyn's Diary. 10 Sep 1676. Dined with me Mr. Flamsted (age 30), the learned astrologer [Note. Astronomer] and mathematician, whom his Majesty (age 46) had established in the new Observatory in Greenwich Park, furnished with the choicest instruments. An honest, sincere man.
Evelyn's Diary. 14 Jun 1680. Came to dine with us the Countess of Clarendon, Dr. Lloyd (age 52), Dean of Bangor (since Bishop of St. Asaph), Dr. Burnet (age 36), author of the "History of the Reformation", and my old friend, Mr. Henshaw (age 62). After dinner we all went to see the Observatory, and Mr. Flamsted (age 33), who showed us divers rare instruments, especially the great quadrant.
Evelyn's Diary. 01 Aug 1683. Came to see me Mr. Flamsted (age 36), the famous astronomer, from his Observatory at Greenwich, to draw the meridian from my pendule, etc.
Evelyn's Diary. 02 Jul 1684. I went to the Observatory at Greenewich, where Mr. Flamsted (age 37) tooke his observations of the Eclipse of the Sun, now almost three parts obscured. There had been an excessive hot and dry Spring, and such a drought still continu'd as never was in my memorie.
In Dec 1690 John Flamsteed Astronomer (age 44) observed Uranus although he mistook it for a star.
Evelyn's Diary. 30 Jun 1696. I went with a select committee of the Commissioners for Greenwich Hospital [Map], and with Sir Christopher Wren (age 72), where with him I laid the first stone of the intended foundation, precisely at five o'clock in the evening, after we had dined together. Mr. Flamstead (age 49), the King's Astronomical Professor, observing the punctual time by instruments.
On 31 Dec 1719 John Flamsteed Astronomer (age 73) died.