October 19: John Adams is born in Braintree, Massachusetts, to Deacon John Adams and Susanna Boylston Adams. He is the eldest of three boys.
November 11: Abigail Smith, the second of four children, is born to the Reverend William Smith and Elizabeth Quincy Smith in Weymouth, Massachusetts.
Adams enrolls at Harvard College in Cambridge.
September 3 (September 14): England adopts the Gregorian calendar, requiring an adjustment of 11 days to convert from Old to New Style. As a result, John’s birthday will become October 30, Abigail’s November 22.
Upon graduation from Harvard, Adams becomes schoolmaster of a Worcester, Massachusetts, grammar school for boys and girls.
November 18: Adams begins keeping a diary, which by the end of his life filled four volumes.
August 21: Adams begins his legal studies. He will be admitted to the Suffolk County Bar in Boston in 1758.
Read the rest here: https://www.pbs.org/wgbh/americanexperience/features/adams-lifespan/