1668

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1668 (MDCLXVIII) was a leap year starting on Sunday of the Gregorian calendar and a leap year starting on Wednesday of the Julian calendar, the 1668th year of the Common Era (CE) and Anno Domini (AD) designations, the 668th year of the 2nd millennium, the 68th year of the 17th century, and the 9th year of the 1660s decade. As of the start of 1668, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.

Events

• January – The Triple Alliance of 1668 is formed.
• February 13 Lisbon – Peace Treaty between Afonso VI of Portugal and Carlos II of Spain, by mediation of Charles II of England where it is recognized the legitimity of the Portuguese monarch. Portugal yields Ceuta to Spain.
• The first Treaty of Aix-la-Chapelle ends the War of Devolution.
• Bishop Issac Barrow founds a trust to establish a university on the Isle of Man. (King William's College)
• July 25 – The magnitude 8.5 Shandong earthquake causes 43,000 to 50,000 deaths in Shandong during the Qing Dynasty, making it the largest historical earthquake in Eastern China.
• August 17 – The magnitude 8.0 North Anatolia earthquake causes 8,000 deaths in northern Anatolia, Ottoman Empire, and is the most powerful earthquake recorded in Turkey.
• First performance of Molière's comedy, Tartuffe
• The British East India Company takes over Bombay
• Foundation of the First National Bank of Europe in Stockholm, Sweden "Riskbank"
• Emperor Yohannes I of Ethiopia convenes a church council in Gondar, which decides to expel all Roman Catholics in Ethiopia.

Births

• November 10 - François Couperin, French composer