1729	21 November - born to Stephen and Hannah (WEBSTER) BARTLETT in Amesbury, Essex Co., MA. He had four older brothers and an older sister. He was early put to learn the rudiments of the Latin and Greek languages, which he did with considerable rapidity, having a quick perception and tenacious memory.
1745-6	Began study of medicine in Amesbury, MA, in the office of Dr. ORDWAY, a distant relative.
1750	Completed his medical education and commenced the practice of his profession at Kingston, NH.
1753	Josiah’s brother, Joseph, died.
1754	15 January, married his first cousin, Mary BARTLETT, of Newton, NH. She was a daughter of Joseph BARTLETT, brother to Josiah’s father, Stephen.
1754	28 December, a daughter, Mary, born (Town records of Kingston, NH).
1756	2 June, a daughter, Lois, born.
1758	19 June, a daughter, Miriam, born.
1760	22 May, a daughter, Rhoda, born.
1762	31 August, a daughter, Hannah was born; she died 7 September the same year.
1763	2 September, his first son, Levi, was born.
1765	20 August, a son, Josiah, born - died 30 December.
1765	30 years old - Chosen as the representative from Kingston to the Provincial Assembly, continued to be elected until the outbreak of the Revolution.
1767	Appointed by John WENTWORTH, Royal Governor, a justice of the peace; then, a colonel of a regiment of militia.
1768	January 15, his mother, Hannah WEBSTER BARTLETT died, aged 75.
1768	29 August, a son, Josiah was born.
1770	13 September, a son, Ezra was born.
1773	April 10, his father, Dea. Stephen BARTLETT died, aged 81.
1773	29 July, a daughter, Sarah was born.
1774	Recognized as an active patriot - appointed to the Committee of Correspondence of the Provincial Assembly - elected to that Assembly’s Revolutionary successor, the 1st Provincial Congress.
1774	Unable to accept because his home was burned. Suspicion that the Tories burned the house. The family moved into a small farmhouse while Josiah rebuilt their home.
1774	5 September - 1st Continental Congress, Philadelphia.
1775	February - Dr. BARTLETT received a letter from the Clerk of the Court of Common Please, under Governor WENTWORTH, dismissed him from office as representative from Kingston, Justice of the peace, and Colonel of the militia. In They Signed For Us, Merle Sinclair and Annabel Douglas McArthur, (Duell, Sloan and Pearce, NY, 1957), the following statement is made: "Bribes had been offered him by the royal governor, but the physician refused them and continued to work for Independence. Consequently, the governor dismissed him as justice of the peace and deprived him of his military commission".
1775	10 May - 2nd Continental Congress, Philadelphia.
1775-76	Again chosen as delegate to the Continental Congress, served on the committee on civil government for the United States.
1776	20 January - wrote a letter from Philadelphia to the Committee of Safety of New Hampshire. In this letter he renewed his "request that delegates may be appointed and sent here as soon as may be as the Representing a Colony is too weighty & important to be left to one man. I am sure I find too much for me In order to your seeing the necessity of a larger representation I would inform you that beside Committees for special purposes that are frequently chosen there are 4 or 5 standing committees appointed some for secrecy some for dispatch some of which are entrusted with large powers and that there may be no cause for complaint they have appointed one Delegate from each Colony on each of these Committees two or sometimes 3 of those Committees set at the same time so that tho I almost every night & morning before & after Congress attend the business yet our Colony is sometimes not represented when business of consequence is transacted by said Committees Being beside sometimes obliged to attend a Committee while the Congress is setting & so the Colony then loses it vote there I have been here almost five months great part of the time without a Colleague; ...hope soon to see Delegates here from our Colony and that I may return to my family and with my domestick affairs relax and unbend my fatigues mind."
1776	28 March - William WHIPPLE wrote to Col. BARTLETT, from Philadelphia, "I have not yet received a line from anybody concerned in publick affairs in New Hampshire I shall be glad to know what I have done to deserve such neglect. However I shall expect better things of you while you tarry. Which I hope will not be long. Settle your affairs as soon as possible & come away for I expect them Devils from the other side of the water very soon".
1776	7 June - Richard Henry LEE’s Resolution for Independence introduced in Congress.
1776	4 July - After thirty-nine revisions to the original draft, Congress voted for the final adoption of the Declaration of Independence. The first printed text of the Declaration was produced late that day by Philadelphia printer, John Dunlap, and was known as the "Dunlap Broadside."
1776	19 July - Congress ordered an officially inscribed copy of the Declaration of Independence.
1776	2 August - Members of the Continental Congress began to sign the Declaration of Independence.
1776	13 December - daughter, Hannah, born.
1777	17 April - infant daughter Hannah died.
1777	Reelected to Continental Congress - unable to serve because he was worn out by his duties of the previous year (DAB).
1777	August - managed to lend his medical skills to Gen. John STARK’s force of N.H. militia and Continental troops. They defeated a predominately German element of Gen. John BURGOYNE’s command in the Battle of Bennington, N.Y.–one of the reverses that helped force him to surrender 2 months later, 17 October 1777, at Saratoga, N.Y.
1778-79	Member of Continental Congress.
1778	On committee to draft Articles of Confederation.
1779	N.H. appointed him chief justice of court of common pleas.
1780	12 March - Daughter Mary and Jonathan GREELEY married in E. Kingston, NH.
1781	1 March - honor of being the first to vote for the proposed Articles of confederation and Perpetual Union.
1781	1 April - His daughter, Mary, wife of Jonathan GREELEY, gave birth to a daughter, Mary, Josiah’s first grandchild.
1781	28 June - Miriam married Joseph CALEF.
1781	19 October - CORNWALLIS surrenders at Yorktown, VA.
1782	Associate Justice of the Superior Ct. - N.H.
1782	21 May - Miriam Bartlett CALEF had a son named Josiah CALEF.
1782	3 December - Mary, daughter of Mary and Jonathan Greeley died.
1783	20 October - Mary Bartlett GREELEY had daughter Polly.
1784	20 May - Miriam Bartlett CALEF had daughter Miriam.
1785	10 July - Mary Bartlett GREELEY had son, Jonathan Bartlett GREELEY, who died young.
1785	27 August - Miriam Bartlett CALEF died.
1788	Chief justice of the Superior Ct. - N.H.
1788	Member and temporary chairman of the state convention called to ratify the proposed constitution of the United States.
1789	22 February - daughter Rhoda married Reuben TRUE.
1789	14 July - Josiah’s wife Mary died.
1789	23 August - Mary Bartlett GREELEY had son Josiah GREELEY.
1789	3 December - Jonathan GREELEY, husband of Mary Bartlett GREELEY, died.
1790	Dartmouth College conferred honorary Doctor of Medicine.
1790	Ended service on the bench.
1790	Elected to office of President of N.H.
1790	22 June - Rhoda Bartlett TRUE had son, Levi TRUE, died young.
1791	Elected to office of president of N.H.
1791	Secured from the legislature a charter for the N.H. Medical Society (DAB) became 1st President.
1791	6 November - son, Levi BARTLETT, married 1st wife, Sarah HOOK.
1792	Elected to office of President of N.H.
1792	4 September - Rhoda Bartlett TRUE had son, Josiah Bartlett TRUE.
1793	29 January - Levi & wife, Sarah, had son, Levi, who died young.
1793	17 February - Sarah Hook BARTLETT, wife of Levi, died.
1793	Chosen as first governor.
1794	At close of term, withdrew from politics due to illness.
1794	25 September - daughter Rhoda Bartlett TRUE died in Salisbury, MA.
1795	19 May - Josiah died - age 65.