- Mar 31 Holy Roman Emperor Leopold I and King John III Sobieski of Poland sign a covenant against Turkey, beginning of the Holy League
- May 17 Pirates sack Velacruz, New Spain, taking 4,000 prisoners for ransom
- May 21 West Indian Company sells 1/3 of Suriname
- Jun 6 The Ashmolean Museum in Oxford, England, opens as the world's first university museum
Rye House Plot
Jun 12 Rye House plot against English King Charles II uncovered
Treaty of Shackamaxon
Jun 23 William Penn signs land deeds and friendship treaty with Lenape Indian leader Tamanend “Tammany” in Pennsylvania; (possible basis for Treaty of Shackamaxon) [1]
- Jul 16 Manchu/Chinese Qing Dynasty naval forces under commander Shi Lang defeat the Kingdom of Tungning in the Battle of Penghu near the Pescadores Islands.
- Jul 16 Turkish troops under Kara Mustafa reach Vienna
- Jul 24 1st settlers from Germany to US, leave aboard Concord
- Sep 3 Turkish troops break through defense of Vienna
- Sep 6 Le Plecta appointed French minister of Finance
- Sep 9 Expelled Polish & Lotharings reach Wienerwald
- Sep 12 Austro-Ottoman War: Battle of Vienna - several European armies join forces to defeat the Ottoman Empire
- Sep 15 Germantown in Pennsylvania is founded by 13 immigrant families
Bacteria Discovered
Sep 17 Dutch scientist Antonie van Leeuwenhoek is the first to report the existence of bacteria
- Oct 3 The Qing Dynasty naval commander Shi Lang reaches Taiwan (under the Kingdom of Tungning) to receive the formal surrender of Zheng Keshuang and Liu Guoxuan after the Battle of Penghu.
- Oct 6 13 Mennonite families from Germany found Germantown, Philadelphia
- Nov 1 The English crown colony of New York is subdivided into 12 counties.
- Nov 22 Purcell's "Welcome to All the Pleasures" premieres in London
- Dec 25 English Whig leader Duke of Monmouth flees to Holland
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