| 142681 | December 18 | Death | 2013 – Graham Mackay, South African-English businessman (b. 1949) |
| 142682 | December 18 | Death | 2014 – Donald J. Albosta, American soldier and politician (b. 1925) |
| 142683 | December 18 | Death | 2014 – Gideon Ben-Yisrael, Israeli politician (b. 1923) |
| 142684 | December 18 | Death | 2014 – Larry Henley, American singer-songwriter (The Newbeats) (b. 1937) |
| 142685 | December 18 | Death | 2014 – Virna Lisi, Italian actress (b. 1936) |
| 142686 | December 18 | Death | 2014 – Mandy Rice-Davies, English model and actress (b. 1944) |
| 142687 | December 18 | Death | 2014 – Robert Simpson, American meteorologist and author (b. 1912) |
| 142688 | December 18 | Holiday and observance | Christian feast day:Expectation of the Blessed Virgin MaryFlannánGatianus of ToursO AdonaiOur Lady of ExpectationSebastian (Eastern Orthodox Church)WinibaldDecember 18 (Eastern Orthodox liturgics) |
| 142689 | December 18 | Holiday and observance | Eponalia, feast of Epona, celebrated during Saturnalia. (Roman Empire) |
| 142690 | December 18 | Holiday and observance | International Migrants Day (International) |
| 142691 | December 18 | Holiday and observance | National Day (Qatar) |
| 142692 | December 18 | Holiday and observance | Republic Day (Niger) |
| 142693 | December 18 | Holiday and observance | UN Arabic Language Day (United Nations) |
| 142694 | December 19 | Event | 211 – Publius Septimius Geta, co-emperor of Rome, is lured to come without his bodyguards to meet his brother Marcus Aurelius Antoninus (Caracalla), to discuss a possible reconciliation. When he arrives, the Praetorian Guard murders him and he dies in the |
| 142695 | December 19 | Event | 1154 – Henry II of England is crowned at Westminster Abbey. |
| 142696 | December 19 | Event | 1490 – Anne, Duchess of Brittany, is married to Maximilian I, Holy Roman Emperor by proxy. |
| 142697 | December 19 | Event | 1562 – The Battle of Dreux takes place during the French Wars of Religion. |
| 142698 | December 19 | Event | 1606 – The Susan Constant, the Godspeed, and the Discovery depart England carrying settlers who found, at Jamestown, Virginia, the first of the thirteen colonies that became the United States. |
| 142699 | December 19 | Event | 1675 – The Great Swamp Fight, a pivotal battle in King Philip's War, gives the English settlers a bitterly won victory. |
| 142700 | December 19 | Event | 1776 – Thomas Paine publishes one of a series of pamphlets in The Pennsylvania Journal entitled "The American Crisis". |
| 142701 | December 19 | Event | 1777 – American Revolutionary War: George Washington's Continental Army goes into winter quarters at Valley Forge, Pennsylvania. |
| 142702 | December 19 | Event | 1796 – French Revolutionary Wars: Two British frigates under Commodore Horatio Nelson and two Spanish frigates under Commodore Don Jacobo Stuart engage in battle off the coast of Murcia. |
| 142703 | December 19 | Event | 1828 – Nullification Crisis: Vice President of the United States John C. Calhoun pens the South Carolina Exposition and Protest, protesting the Tariff of 1828. |
| 142704 | December 19 | Event | 1900 – Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is |
| 142705 | December 19 | Event | 1907 – Two hundred thirty-nine coal miners die in a mine explosion in Jacobs Creek, Pennsylvania. |
| 142706 | December 19 | Event | 1912 – William Van Schaick, captain of the steamship General Slocum which caught fire and killed over 1,000 people, is pardoned by U.S. President William Howard Taft after three-and-a-half-years in Sing Sing prison. |
| 142707 | December 19 | Event | 1916 – World War I: Battle of Verdun: On the Western Front, the French Army successfully holds off the German Army and drives it back to its starting position. |
| 142708 | December 19 | Event | 1920 – King Constantine I is restored as King of the Hellenes after the death of his son Alexander of Greece and a plebiscite. |
| 142709 | December 19 | Event | 1924 – The last Rolls-Royce Silver Ghost is sold in London, England. |
| 142710 | December 19 | Event | 1927 – Three Indian revolutionaries, Ram Prasad Bismil, Roshan Singh and Ashfaqulla Khan are executed by the British Empire. |