1611 – Born in Upton, Northampshire on the 7th of January.
1629 – He entered Trinity College, Oxford as a gentleman commoner and left two years later with no degree.
1636 – Harrington appears to have returned to England, the following decade, including his comings and goings during the Civil Wars,
1639 – He accompanied Charles I to Scotland in connection with the first bishops’ war.
1641-1645 – He came to Parliament’s financial assistance with loans and solicitations.
1647 – In May, he became a gentleman groom of the royal bedchamber; we see him acting in that capacity through the end of the year and also at Hurst Castle and at Carisbrooke.
1656 – Wrote "Commonwealth of Oceana".
1661 – On the 28th of December, Harrington was arrested on a charge of conspiring against the government in the "Bow Street" cabal and, without a trial, was thrown into the Tower.
1677 – Died on the 11th of Septamber in London, England.