1660 (MDCLX in Roman numerals) is a 17th century leap year.
Marriage between Louis XIV and Maria Teresa of Spain (daughter of Philip IV of Spain) to seal the peace of the Pyrenees.
Breda Declaration: Charles II of England grants political amnesty and religious tolerance, pledging not to bring back absolutism.
Monarchical restoration in England: the army calls for a Parliamentary Convention, which sanctions the return to the throne of the Stuarts with Charles II, son of the beheaded Charles I.
Richard Cromwell renounces the title of Lord Protector of England and Ireland.
November 28 - The Royal Society is founded in London.
Birth of the Grand Tour, a journey carried out throughout Europe exclusively by rich noble families where they completed their cultural, artistic and human education, acquiring a new vision of the world.
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