1667

Events 
 January 20 – Poland cedes Kyiv, Smolensk, and eastern Ukraine to Russia in the Treaty of Andrusovo that put a final end to the Deluge, and Poland lost its status as a Central European power.
 April 27 – The blind, impoverished John Milton sells the copyright of Paradise Lost for £10.
 June 12-17 – In the Raid on the Medway, a Dutch fleet under admiral Michiel de Ruyter burns Sheerness, sails up the River Medway, raids Chatham dockyards and escapes with the royal barge The Royal Charles.
 June 15 – The first human blood transfusion is administered by Dr. Jean-Baptiste Denys. He transfuses the blood of a sheep to a 15-year-old boy. (Though this operation is a success, a later patient dies from the procedure and Denys is accused of murder).
 June 20 – Dutch troops attack Royal Navy ships in London and Chatham and burn them.
 July 31 – Second Anglo-Dutch War ends: The Treaty of Breda ends the war. The treaty also recognizes Acadia as a French possession.
 October 18 – Brooklyn is chartered under the name Brueckelen by Mathias Nicolls, Governor of New Netherland.
 November 25 – Devastating earthquake rocks Caucasia, killing 80,000 people.
 Suleiman I becomes Shah of Persia.
 The Mogul Emperor Aurangzeb buys off the bandit Shivaji by making him a Rajah and allowing him to collect taxes.
 Robert Hooke demonstrates that the alteration of the blood in the lungs is essential for respiration.
 The War of Devolution begins, France invades Flanders and Free County.
 Louis XIV of France abolishes the Livre Parisis (Paris Pound) in favor of the much more widely used Livre Tournois (Tours Pound). He also designates Gabriel-Nicolas de la Reynie as first chief of "police" of Paris.
 French army uses grenadiers.
 Yohannes succeeds his father Fasildos as Emperor of Ethiopia.

 Births 
 August 11 - Anna Maria Luisa de' Medici, Tuscan princess
 November 30 - Jonathan Swift, Irish writer