William de Chadwyk of Chadwick in Rochdale, county Lancashire, born ca.1355 and was called "Senior" in 1413 since had a son William. Other Chadwicks: 
Jordan younger brother of Henry was the second son of John and married Elianore Kyrkeshore of Hundersfeld daughter of Christopher. John son of Jordan married Alice Okeden daughter of Adam. Thomas son of John lived at Heley. Robert, grandson of Thomas, lived in Heley/Healy. John, son of Robert, married Catherine and was a colonel, her mother was Mary Bagot of Colton and daughter of Anthony. 
Charles Chadwick was the first to settle in New England, freeman 1631-05-18 in Watertown. He was a town officer and deputy of the general court, died 1682-04-10 age 68 and bequeathed to his wife Elizabeth who died 1685-02-22. 
John Chadwick Sr. was in Malden in 1648, his will dated 1680-12-01 and proved 1681-05-04 and he devused to sons John, James and Samuel and to daughter Hannah and her three married daughters. 
There is more information about the Chadwicks of England and New England found in the book of the Chadwick family. Sometimes it is confusing in the way the author tells of the relationships between the various family members. 
Thomas Chadwick, kinsman of Charles Chadwick, mentioned in his will, was probably a nephew. That will proves that all the New England Chadwicks are related. A branch of the family also settled in New Jersey, perhaps not closely related to those of New England. Thomas was born in 1655, and settled early at Newbury, Massachusetts, but removed to Watertown in 1679. He married, April 6, 1674-75, Sarah Walcott. Children, born at Newbury: 
1. Sarah, Oct. 3, 1675. 
2. Thomas, 1677. Children born at Watertown: 
3. John, Nov. 20, 1680. 
4. Elizabeth, Oct. 31, 1682[] died aged twelve. 
5. Lydia, March 22, 1685[] died aged nine. 
6. Richard, April 20, 1687. 
7. Daniel, Jan. 20, 1689. 
8. Jonathan, April 4, 1691. 
9. Elizabeth, Oct. 14, 1695. 
Per Find-a-Grave, John Chadwick II b.1676 in Malden (Essex) MA and died 1755-02-16 in West Boxford (Essex) MA was buried in Mount Vernon Cemetery. He was the son of John and Mary. All looked like it fits the ancestor until the mother was listed as Mary instead of Sarah. 
Per Find-a-Grave, John Chadwick Sr. b.1601-04-10 n Blackburn, Blackburn with Darwen Unitary Authority in Lancashire and died 1681- 04-__ in Malden (Middlesex) MA. 
Per Massachusetts Town and Vital Records 1620-1988, John Chardwick (extra letter 'r') married Mehitable Haseltine in Boxford (Essex) MA. These people are also noted on Ancestry.com.

William de Chadwyk of Chadwick in Rochdale, county Lancashire, born ca.1355 and was called "Senior" in 1413 since had a son William. Other Chadwicks: 
Jordan younger brother of Henry was the second son of John and married Elianore Kyrkeshore of Hundersfeld daughter of Christopher. John son of Jordan married Alice Okeden daughter of Adam. Thomas son of John lived at Heley. Robert, grandson of Thomas, lived in Heley/Healy. John, son of Robert, married Catherine and was a colonel, her mother was Mary Bagot of Colton and daughter of Anthony. 
Charles Chadwick was the first to settle in New England, freeman 1631-05-18 in Watertown. He was a town officer and deputy of the general court, died 1682-04-10 age 68 and bequeathed to his wife Elizabeth who died 1685-02-22. 
John Chadwick Sr. was in Malden in 1648, his will dated 1680-12-01 and proved 1681-05-04 and he devused to sons John, James and Samuel and to daughter Hannah and her three married daughters. 
There is more information about the Chadwicks of England and New England found in the book of the Chadwick family. Sometimes it is confusing in the way the author tells of the relationships between the various family members. 
Thomas Chadwick, kinsman of Charles Chadwick, mentioned in his will, was probably a nephew. That will proves that all the New England Chadwicks are related. A branch of the family also settled in New Jersey, perhaps not closely related to those of New England. Thomas was born in 1655, and settled early at Newbury, Massachusetts, but removed to Watertown in 1679. He married, April 6, 1674-75, Sarah Walcott. Children, born at Newbury: 
1. Sarah, Oct. 3, 1675. 
2. Thomas, 1677. Children born at Watertown: 
3. John, Nov. 20, 1680. 
4. Elizabeth, Oct. 31, 1682[] died aged twelve. 
5. Lydia, March 22, 1685[] died aged nine. 
6. Richard, April 20, 1687. 
7. Daniel, Jan. 20, 1689. 
8. Jonathan, April 4, 1691. 
9. Elizabeth, Oct. 14, 1695. 
Per Find-a-Grave, John Chadwick II b.1676 in Malden (Essex) MA and died 1755-02-16 in West Boxford (Essex) MA was buried in Mount Vernon Cemetery. He was the son of John and Mary. All looked like it fits the ancestor until the mother was listed as Mary instead of Sarah. 
Per Find-a-Grave, John Chadwick Sr. b.1601-04-10 n Blackburn, Blackburn with Darwen Unitary Authority in Lancashire and died 1681- 04-__ in Malden (Middlesex) MA. 
Per Massachusetts Town and Vital Records 1620-1988, John Chardwick (extra letter 'r') married Mehitable Haseltine in Boxford (Essex) MA. These people are also noted on Ancestry.com.

Historical
1644-1674: Mauritania - The Mauritanian Thirty-Year War
1644: China - The Manchu conquer China ending the Ming Dynasty, the subsequent Qing Dynasty rules until 1912
1644: Italy - Giovanni Battista Pamphili is elected Pope Innocent X at the Papal conclave of 1644
1645-1669: Turkey, Italy - Ottoman war with Venice, the Ottomans Invade Crete and capture Canea
1645: Japan - The death of Miyamoto Musashi, legendary Japanese Samurai warrior of natural causes
1647-1652: Spain - The Great Plague of Seville
1647: Turkey - Seven-year-old Mehmed IV becomes Ottoman sultan
1648-1653: France - Fronde civil war in France
1648-1667: Poland, Lithuania - The Deluge wars leave Polish-Lithuanian Commonwealth in ruins
1648-1669: Turkey, Italy - The Ottomans capture Crete from the Venetians after the Siege of Candia
1648: Spain, Italy - The Peace of Westphalia ends the Thirty Years War and the Eighty Years War and marks the ends of Spain and the Holy Roman Empire as major European powers
1649-1653: Ireland - The Cromwellian conquest of Ireland
1650: United States - An estimated 40,000 people are living in the American Colonies
1652: England, Netherlands - Anglo-Dutch Wars begin
1652: South Africa - Cape Town founded by the Dutch East India Company in South Africa
1654-1661: Turkey, Albania - Mehmed Koprulu is Grand Vizier
1655-1661: Sweden - The Northern Wars cement the rise of Sweden as a Great Power
1658: India - After his father Shah Jahan completes the Taj Mahal, his son Aurangzeb deposes him as ruler of the Mughal Empire
1660: England - Royal Society of London for the Improvement of Natural Knowledge founded
1660: England - The Commonwealth of England ends and the monarchy is brought back during the English Restoration
1661: China - The reign of the Kangxi Emperor of China begins
1661: India - Mehmed Koprulu dies and is succeeded by his son Ahmed
1662: France - Jacques Aymar-Vernay, who later reintroduced Dowsing into popular use in Europe, is born
1663: France - France takes full political and military control over Its colonial possessions in New France, microscope of Hooke discovers cells
1663: Turkey, Austria-Hungary - Ottoman war against Habsburg Hungary
1664: England - Forestry book by John Evelyn called Sylva is published in England
1664: Hungary, Turkey - Battle of St. Gotthard (first of two), count Raimondo Montecuccoli defeats the Ottomans, the Peace of Vasvar is Intended to keep the peace for twenty years
1664: United States - British troops capture New Amsterdam and rename It New York
1665: England - The Great Plague of London (aka. Bubonic Plague, Black Death) kills 70,000 people
1665: Portugal, Congo - Portugal defeats the Kongo Empire
1666: England - The Great Fire of London burns most of the city
1667-1668: France, Netherlands - The War of Devolutionm France Invades the Netherlands, the Peace of Aix-la-Chapelle (1668) brings this to a halt
1667-1699: Turkey - The Great Turkish War halts the expansion of the Ottoman Empire into Europe
1668: Spain, Portugal - Peace Treaty of Lisbon between Spain and Portugal recognizes Portugal as Independent country
1669: Turkey, Crete - The Ottomans capture Crete
1670: Canada - The Hudson Bay Company is founded in Canada
1672-1673: Turkey, Ukraine - Ottoman campaign to help the Ukrainian Cossacks, John Sobieski defeats the Ottomans at the second battle of Khotyn (1673)
1672-1676: Poland, Turkey - Polish-Ottoman War
1672-1678: France, Netherlands - Franco-Dutch War
1672: Belgium - Lynching of Johan de Witt and his brother Cornelis de Witt in the Hague, William III of Orange takes power
1672: Netherlands, France, England, Germany - Rampjaar in the Netherlands, combined attack by France, England and two German states on the Republic of the United Provinces
1674: England - The Treaty of Westminster ends the war between England and the Republic of the United Provinces
1674: India - Maratha Empire founded in India by Shivaji
1676-1681: Russia, Turkey - Russia and the Ottoman Empire fight the second (of ten) Russo-Turkish Wars, Turkish victory
1676: Poland, Turkey - The Treaty of Zurawno brings Polish-Ottoman hostilities to a halt
1676: Turkey - Kara Mustafa becomes Grand Vizier
1678: Netherlands, France - The Treaty of Nijmegen ends the hostilities between the Netherlands and France
1680: United States, Spain - The Pueblo Revolt drives the Spanish out of New Mexico until 1692
1681: Hungary - The Pasha of Buda supports rebellion led by Imre Thokoly in Hungary
1682-1683: Turkey - The Ottomans make camp at Adrianople
1682: Russia - Peter the Great becomes joint ruler of Russia (sole tsar in 1696)
1682: Turkey - Sultan Mehmed IV, advised by Kara Mustafa, decides to disregard the existing peace treaty with Leopold I, due to expire in 1684
1682: United States - La Salle explores the length of the Mississippi River and claims Louisiana for France
1683: Austria - A Habsburg council of war is held in Vienna
1683: Austria - The Battle of Vienna finishes the hegemony of the Ottoman Empire in southeastern Europe
1683: China - China conquers the Kingdom of Tungning and annexes Taiwan
1685: France - Edict of Fontainebleau outlaws Protestantism in France, King Charles II dies
1686-1700: Turkey, Russia - The Russo-Turkish War (third of ten), Russia wins
1687: England - Isaac Newton publishes Philosophiae Naturalis Principia Mathematica
1688-1689: Netherlands, England - The Glorious Revolution starts with the Dutch Republic Invading England, England becomes a constitutional monarchy
1688-1691: Ireland - The War of the Two Kings in Ireland
1688-1697: France - The Grand Alliance sought to stop French expansion during the Nine Years War
1688: England - The Siege of Derry
1689: England, Ireland, Scotland - William ascends to the throne over England, Scotland, and Ireland
1689: England - John Locke publishes his first work called Letter Concerning Toleration
1689: Russia, China - The Treaty of Nerchinsk established a border between Russia and China
1689: Scotland, England - Battle of Killiecrankie is fought between Jacobite and Williamite forces in Highland Perthshire
1690: Ireland - The Battle of the Boyne in Ireland
1691: United States - Massachusetts Bay Colony and the Plymouth Colony merge. This is in response to an attempt started in 1685 by King James II attempts to establish control over the colonies
1692: United States - Salem witch trials in Massachusetts. Over twenty people are hung for being witches.
1693-1694: France - Famine in France kills two million
1694: England - Mary II of England dies
1694: England - The Bank of England is established
1696-1697: Finland - Famine in Finland wipes out almost a third of the population
1697: England - The earliest known first-class cricket match took place in Sussex
1699: England - Thomas Savery demonstrates his first steam engine to the Royal Society
1699: Turkey - The Treaty of Karlowitz ends the Great Turkish War
1700-1721: Russia, Sweden - Russia supplants Sweden as the dominant Baltic power after the Great Northern War
1700: Japan - The 1700 Cascadia earthquake (magnitude nine) occurs off the coast of the Pacific Northwest, the coast of Japan is struck by a tsunami
1701-1702: England - The Daily Courant and The Norwich Post becomes the first daily newspapers in England
1701-1714: Spain - War of the Spanish Succession (aka. Queen Anne's War) was a conflict which Involved most of Europe
1702-1715: France - Camisard Rebellion in France
1702: Japan - Forty-seven Ronin (aka. Forty-seven Samura) attack Kira Yoshinaka (court title of Ko-zuke no suke, a province overseer) and then commits seppuku (a form of Japanese ritual suicide by disembowelment, originally reserved only for samurai)
1703-1711: Austria - The Rakoczi Uprising against the Habsburg Monarchy
1703: Russia - St. Petersburg founded by Peter the Great, Russian capital until 1918
1704: Japan - End of Genroku period in Japan
1706: United States - Benjamin Franklin is born in Boston
1707: England, Scotland - Act of Union passed merging the Scottish and the English Parliaments, thus establishing The Kingdom of Great Britain
1707: India - After the death of Aurangzeb, the Mughal Empire enters a long decline and the Maratha Empire slowly replaces It
1707: India - War of 27 years between the Marathas and Mughals ends in India
1707: Japan - Mount Fuji erupts in Japan
1708-1709: Germany - Famine kills one third of the population of East Prussia
1708: East Indies - The Company of Merchants of London Trading into the East Indies and English Company Trading to the East Indies merged to form the United Company of Merchants of England Trading to the East Indies
1709: Afghanistan - Hotaki dynasty founded in Afghanistan
1709: Russia, Sweden, Turkey - Charles XII of Sweden flees to Ottoman Empire after Peter I of Russia defeats his army at the Battle of Poltava
1710-1711: Russia, Turkey - Ottoman Empire fights Russia in the Russo-Turkish War (fourth of ten), Turkish victory