- Jun 20 Abenaki, Massachusetts, Mohegan and Wampanoag Native Americans form anti-English front under Metacom
- Jun 20 King Philip's War begins when a small band of Wampanoag men attack and kill colonists in Swansea, Massachusetts, returning a few days later and destroying town
St Paul’s Cathedral
Jun 21 Foundation stone for London's St. Paul’s Cathedral is laid
Royal Greenwich Observatory
Jun 22 Royal Greenwich Observatory established in England by King Charles II
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