1670

• John Wentworth
  John Wentworth
  John Wentworth may refer to:*John Wentworth , lieutenant governor of New Hampshire from 1717-1730*John Wentworth , jurist and revolutionary leader in New Hampshire...
  
   is appointed colonial governor of Nassau
  Nassau, Bahamas
  Nassau is the capital, largest city, and commercial centre of the Commonwealth of the Bahamas. The city has a population of 248,948 , 70 percent of the entire population of The Bahamas...
  
  .
• June - After the signing of the Treaty of Madrid
  Treaty of Madrid (1670)
  The Treaty of Madrid adopted in 1670 was a treaty between England and Spain. Under the terms of the treaty, Spain recognized English possessions in the Caribbean Sea: "all those lands, islands, colonies and places whatsoever situated in the West Indies." England took formal control of Jamaica and...
  
  , in which Great Britain agrees to cease its privateering activities against Spain, ending British support for buccaneering raids against the Spanish. Local colonial governors such as Thomas Modyford
  Thomas Modyford
  Colonel Sir Thomas Modyford, 1st Baronet was a planter of Barbados and Governor of Jamaica, 1664-70.Modyford was the son of a mayor of Exeter with family connections to the Duke of Albemarle, who emigrated to Barbados as a young man with other family members in 1647, in the opening stages of the...
  
   of Jamaica
  Jamaica
  Jamaica is an island nation of the Greater Antilles, in length, up to in width and 10,990 square kilometres in area. It is situated in the Caribbean Sea, about south of Cuba, and west of Hispaniola, the island harbouring the nation-states Haiti and the Dominican Republic...
  
   reluctantly cease issuing "letters of marque".
• December - In spite of a direct order from Thomas Modyford not to engage in hostilities against the Spanish, Captain Henry Morgan
  Henry Morgan
  Admiral Sir Henry Morgan was an Admiral of the Royal Navy, a privateer, and a pirate who made a name for himself during activities in the Caribbean, primarily raiding Spanish settlements...
  
   begins organizing a group of English and French buccaneers to raid the Spanish stronghold of Panama City
  Panama City
  Panama is the capital and largest city of the Republic of Panama. It has a population of 880,691, with a total metro population of 1,272,672, and it is located at the Pacific entrance of the Panama Canal, in the province of the same name. The city is the political and administrative center of the...
  
  . His fleet, which included 1,800 men, sailed from Port Royal as an advance force captured Fort San Lorenzo
  Fort San Lorenzo
  The Fort of San Lorenzo is located at the entrance to the Chagres River in the province of Colón, Panama. It was declared by UNESCO as a World Heritage Site in the year 1980 under the name of the Fortifications on the Caribbean coast of Panama, of the town of Portobelo . They formed the defensive...
  
   guarded the Chagres River
  Chagres River
  The Chagres River is a river in central Panama. The central part of the river is dammed by the Gatun Dam and forms Gatun Lake, an artificial lake that constitutes part of the Panama Canal. Upstream lies the Madden Dam, creating the Alajuala Lake that is also part of the Canal water system...
  
  . Travelling up the river by canoe, Morgan and his 1,200 men crossed the isthmus of Panama
  Isthmus of Panama
  The Isthmus of Panama, also historically known as the Isthmus of Darien, is the narrow strip of land that lies between the Caribbean Sea and the Pacific Ocean, linking North and South America. It contains the country of Panama and the Panama Canal...
  
   to attack Panama City within several weeks.

Deaths

• Manoel Rivero Pardal, Portuguese pirate active in the Caribbean during the late 1660s.