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1687 (MDCLXXXVII) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1687th year of the Common Era (CE) and Anno Domini (AD) designations, the 687th year of the 2nd millennium, the 87th year of the 17th century, and the 8th year of the 1680s decade. As of the start of 1687, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.
|Ab urbe condita||2440|
|Balinese saka calendar||1608–1609|
|English Regnal year||2 Ja. 2 – 3 Ja. 2|
|Chinese calendar||丙寅年 (Fire Tiger)|
4383 or 4323
— to —
丁卯年 (Fire Rabbit)
4384 or 4324
|- Vikram Samvat||1743–1744|
|- Shaka Samvat||1608–1609|
|- Kali Yuga||4787–4788|
|Japanese calendar||Jōkyō 4|
|Julian calendar||Gregorian minus 10 days|
|Minguo calendar||225 before ROC|
|Thai solar calendar||2229–2230|
1813 or 1432 or 660
— to —
1814 or 1433 or 661
- January 3 – With the end of latest of the Savoyard–Waldensian wars in the Duchy of Savoy between the Savoyard government and Protestant Italians known as the Waldensians, Victor Amadeus III, Duke of Savoy, carries out the release of 3,847 surviving prisoners and their families, who had forcibly been converted to Catholocism, and permits the group to emigrate to Switzerland.
- January 8 – Richard Talbot, 1st Earl of Tyrconnell, is appointed as the last Lord Deputy of Ireland by the English crown, and begins efforts to include more Roman Catholic Irishmen in the administration. Upon the removal of King James II in England and Scotland, the Earl of Tyrconnell loses his job and is replaced by James, who reigns briefly as King of Ireland until William III establishes his rule over the isle.
- January 27 – In one of the most sensational cases in England in the 17th century, midwife Mary Hobry murders her abusive husband, Denis Hobry, after he beats her up for the last time. Mary then dismembers his body and scatters the remains in a dunghill and in several outhouses (or privies) in the area. Despite a defense of justifiable homicide, Mary is convicted of murder and burned at the stake.
- February 7 – The Arjeplog blasphemy trial begins for Erik Eskilsson and Amund Thorsson, two practitioners of the Sami religion who had resisted Sweden's efforts at their conversion to Christianity. Eskilsson and Thorsson are acquitted of the charges after agreeing to convert to Christianity.
- February 11 – In India, troops under the command of Job Charnock of the East India Company, preparing to go to war against the Nawab of Bengal, Shaista Khan of the Mughal empire, destroy his fortresses located at Thana. 
- February 12 – The Declaration of Indulgence is issued in Scotland by King James VII as one of the first steps in establishing freedom of religion in the British Isles, eliminating enforcement of criminal penalties against persons who failed to conform with Anglicanism. As King James II of England, he issues a similar declaration on April 4.
- March 19 – The men under explorer Robert Cavelier, Sieur de La Salle mutiny, while searching for the mouth of the Mississippi River. Pierre Duhaut murders La Salle, near what is now Navasota, Texas.
- April 4 – King James II of England issues the Declaration of Indulgence (or Declaration for the Liberty of Conscience), suspending laws against Roman Catholics and nonconformists.
- April 23 – Ignatius George II becomes Syriac Orthodox Patriarch of Antioch (or April 22).
- April 26 – The Spanish city of Guayaquil (now part of Ecuador) is attacked and looted by English and French pirates under the command of George Hout (English) and Pierre Le Picard and Francois Groniet (French).  Of more than 260 pirates, 35 are killed and 46 were wounded; 75 defenders of the city died and more than 100 are wounded.
- May 6 – Emperor Higashiyama succeeds Emperor Reigen, on the throne of Japan.
- June 14 – In one of the few actions on land in the Anglo-Siamese War, English sailors on the coast of Mergui in Burma (now Myeik, Myanmar) are massacred by Siamese troops.
- July 11 – Isaac Newton's Philosophiæ Naturalis Principia Mathematica, known as the Principia, is published by the Royal Society of London. In it, Newton describes his theory of universal gravitation, explains the laws of mechanics, and gives a formula for the speed of sound. The writing of Principia Mathematica ushers in a tidal wave of changes in thought, significantly accelerating the scientific revolution by providing new and practical intellectual tools, and becomes the foundation of modern physics.
- July 24 – Morean War – Battle of Patras: The Republic of Venice defeats the Ottomans, which flee in panic, allowing the Venetians to capture the fortresses of Patras, Rio, Antirrio, and Lepanto unopposed.
- August 12 – Great Turkish War – Battle of Mohács: The Habsburg imperial army, and allies under Charles V, Duke of Lorraine, defeat the Ottoman Turks, and enable Austria to conquer most of Ottoman-occupied Hungary.
- September 21 – Morean War: The navy of the Republic of Venice raids the Dalmatian coast, and attacks Ottoman Turkish strongholds in Greece.
- September 22– The Siege of Golconda, ordered by Emperor Aurangzeb of India's Mughal Empire against the capital of the Golconda sultanate, ends after nine months when a traitor inside the walled city, Sarandaz Khan, opens the first of several entrances into the fortress. The Sultan Abul Hasan Qutb Shah is taken prisoner by General Mir Shahab ud-Din, and Golconda (now part of Hyderabad in the Telangana state) is
- September 26– Half of the Parthenon is destroyed in Athens after mortar shells are fired by Republic of Venice forces under the command of Francesco Morosini, in a battle against the Ottoman Empire for control of Athens. The strike ignites a stock of gunpowder that the Ottomans had stored inside the 2,200-year-old temple, which had been completed in 438 BC as a shrine to the goddess Athena. During the fighting September 23 and September 29 for control of the Acropolis in the Morean War, the Temple of Athena Nike is demolished and the Propylaea suffers damage.
- October 20 – An estimated 8.7 magnitude earthquake strikes 50 kilometres (31 mi) off of the coast of Peru and kills at least 5,000 people, primarily from a tsunami that washes away the city of Pisco and causes severe damage to the Spanish colonial cities of Lima, Callao and Ica. 
- October 31 – The legend of the Charter Oak begins as a successful attempt to hide the 1662 Royal Charter of the British colony (and now a U.S. state) of Connecticut] after Edmund Andros, the Governor of the Dominion of New England, makes a mission of attempting to confiscate the founding documents for the seven colonies that make up the new administrative area. After Governor Andros arrives in Hartford and comes to the tavern of Zachariah Sanford to demand the Connecticut Colony charter, Captain Joseph Wadsworth spirits the parchment away from the and hides the Charter in a hollowed out portion of a white oak tree on Wyllys Hyll until Andros is recalled to London. 
- November 8 – Suleiman II succeeds the deposed Mehmed IV, as Ottoman Emperor.
- December 31 – In response to the revocation of the Edict of Nantes in 1685, a group of Huguenots set sail from France, and settle in the recently established Dutch colony at the Cape of Good Hope, where, using their native skills, they establish the first South African vineyards.
- January 27 – Johann Balthasar Neumann, German architect (d. 1753)
- February 4 – Joseph Effner, German architect (d. 1745)
- March 7 – Jean Lebeuf, French historian (d. 1760)
- March 16 – Sophia Dorothea of Hanover, queen consort of Frederick William I (d. 1757)
- May 12 – Johann Heinrich Schulze, German professor and polymath (d. 1744)
- June 24 – Johann Albrecht Bengel, German scholar (d. 1752)
- September 7 – Durastante Natalucci, Italian historian (d. 1772)
- October 4 – Robert Simson, Scottish mathematician (d. 1768)
- October 5 – Maria Maddalena Martinengo, Italian nun (d. 1737)
- October 21 – Nicolaus I Bernoulli, Swiss mathematician (d. 1759)
- November 7 – William Stukeley, English archaeologist (d. 1765)
- December 5 – Francesco Geminiani, Italian violinist and composer (d. 1762)
- December 26 – Johann Georg Pisendel, German musician (d. 1755)
- date unknown
- January 13 – Jean Claude, French Protestant clergyman (b. 1619)
- January 28 – Johannes Hevelius, Polish astronomer (b. 1611)
- January 31 – Francisco Varo, Spanish linguist (b. 1627)
- February 15 – Marie Elisabeth of Brunswick-Wolfenbüttel, German noblewoman (b. 1638)
- February 16 – Charles Cotton, English poet and writer (b. 1630)
- February 22 – Jean Hamon, French doctor and writer (b. 1618)
- February 26 – Magdalena Elisabeth of Hanau, German noblewoman (b. 1611)
- March 19 – René-Robert Cavelier, Sieur de La Salle, French explorer (b. 1643)
- March 20 – Margravine Magdalene Sibylle of Brandenburg-Bayreuth, Electress of Saxony by marriage (b. 1612)
- March 20 – Marie Eleonore of Dietrichstein, Countess of Kaunitz and Oppersdorf (b. 1623)
- March 22 – Jean-Baptiste Lully, French composer who established opera in France (b. 1632)
- March 28 – Constantijn Huygens, Dutch poet and composer (b. 1596)
- April 12 – Ambrose Dixon, Virginia Colony pioneer (b. c. 1628)
- April 16 – George Villiers, 2nd Duke of Buckingham, English statesman (b. 1628)
- April 20 – Richard Olmsted, Connecticut settler (b. 1612)
- April 23 – Ferdinand Albert I, Duke of Brunswick-Lüneburg (b. 1636)
- April 25 – Johannes Caioni, Transylvanian Franciscan friar (b. 1629)
- July 19 – Laura Martinozzi, Duchess consort of Modena (b. 1639)
- August 9 – Niccolò Albergati-Ludovisi, Italian Catholic cardinal (b. 1608)
- September 1 – Henry More, English philosopher (b. 1614)
- September 12 – John Alden, Mayflower pilgrim (b. c. 1599)
- September 28 – Francis Turretin, Swiss theologian (b. 1623)
- October 13 – Geminiano Montanari, Italian astronomer (b. 1633)
- October 19 – Giulio Bartolocci, Italian Biblical scholar (b. 1613)
- October 21 – Edmund Waller, English poet (b. 1606)
- October 24 – Countess Palatine Maria Eufrosyne of Zweibrücken, Swedish princess (b. 1625)
- November 4
- November 6 – Charles de Grimaldi-Régusse, French aristocrat (b. 1612)
- November 14 – Nell Gwyn, English mistress of Charles II of England (b. 1650)
- November 18 – Anton Janson, Dutch type founder and printer (b. 1620)
- December 10 – Horatio Townshend, 1st Viscount Townshend, English viscount (b. 1630)
- December 16 – Sir William Petty, English philosopher (b. 1623)
- date unknown – Josias Fendall, Colonial governor of Maryland (b. c. 1628)
- attribution: Steve Swayne
- Lieutenant Colonel D. G. Crawford, A Brief History of the Hughli District (Bengal Secretariat Press, 1902) p. 18
- Palmer, Alan; Veronica (1992). The Chronology of British History. London: Century Ltd. pp. 196–197. ISBN 0-7126-5616-2.
- Barsoum, Ephrem (2009). History of the Syriac Dioceses. Vol. 1. Translated by Matti Moosa. Gorgias Press. p. 1.
- Kiraz, George A. (2011). "Giwargis II, Ignatius". In Sebastian P. Brock; Aaron M. Butts; George A. Kiraz; Lucas Van Rompay (eds.). Gorgias Encyclopedic Dictionary of the Syriac Heritage: Electronic Edition. Gorgias Press. p. 178. Retrieved September 17, 2020.
- "Intercolonial Friction (1660—1700)", in Wars of the Americas: A Chronology of Armed Conflict in the Western Hemisphere (ABC-CLIO, 2008) p. 308
- "Evaluation of Tsunami Risk from Regional Earthquakes at Pisco, Peru", by Emile A. Okal, José C. Borrero and Costas E. Synolakis, Bulletin of the Seismological Society of America (2006) pp. 1634-1648
- "Hiding the Charter: Images of Joseph Wadsworth’s Legendary Action", ConnecticutHistory.org
- "Petty, Sir William | Dictionary of Irish Biography". www.dib.ie. Retrieved May 27, 2022.