| 145951 | December 27 | Death | 1771 – Henri Pitot, French engineer, invented the Pitot tube (b. 1695) |
| 145952 | December 27 | Death | 1782 – Henry Home, Lord Kames, Scottish judge and philosopher (b. 1697) |
| 145953 | December 27 | Death | 1800 – Hugh Blair, Scottish minister and author (b. 1718) |
| 145954 | December 27 | Death | 1812 – Joanna Southcott, English prophet (b. 1750) |
| 145955 | December 27 | Death | 1834 – Charles Lamb, English author (b. 1775) |
| 145956 | December 27 | Death | 1836 – Stephen F. Austin, American soldier and politician (b. 1793) |
| 145957 | December 27 | Death | 1858 – Alexandre Pierre François Boëly, French pianist and composer (b. 1785) |
| 145958 | December 27 | Death | 1896 – John Brown, English businessman and politician (b. 1816) |
| 145959 | December 27 | Death | 1900 – William Armstrong, 1st Baron Armstrong, English engineer and businessman, founded Armstrong Whitworth (b. 1810) |
| 145960 | December 27 | Death | 1914 – Charles Martin Hall, American chemist and engineer (b. 1863) |
| 145961 | December 27 | Death | 1919 – Achilles Alferaki, Russian-Greek composer and politician, Governor of Taganrog (b. 1846) |
| 145962 | December 27 | Death | 1923 – Gustave Eiffel, French architect and engineer, co-designed the Eiffel Tower (b. 1832) |
| 145963 | December 27 | Death | 1936 – Mehmet Akif Ersoy, Turkish poet, academic, and politician (b. 1873) |
| 145964 | December 27 | Death | 1938 – Calvin Bridges, American geneticist and academic (b. 1889) |
| 145965 | December 27 | Death | 1938 – Osip Mandelstam, Polish-Russian poet and critic (b. 1891) |
| 145966 | December 27 | Death | 1943 – Ants Kurvits, Estonian general and politician, 10th Estonian Minister of War (b. 1887) |
| 145967 | December 27 | Death | 1950 – Max Beckmann, German-American painter and sculptor (b. 1884) |
| 145968 | December 27 | Death | 1952 – Patrick Joseph Hartigan, Australian priest, author, and educator (b. 1878) |
| 145969 | December 27 | Death | 1953 – Şükrü Saracoğlu, Turkish soldier and politician, 6th Prime Minister of Turkey (b. 1887) |
| 145970 | December 27 | Death | 1953 – Julian Tuwim, Polish poet and author (b. 1894) |
| 145971 | December 27 | Death | 1955 – Alfred Carpenter, English admiral, Victoria Cross recipient (b. 1881) |
| 145972 | December 27 | Death | 1956 – Lambert McKenna, Irish priest and lexicographer (b. 1870) |
| 145973 | December 27 | Death | 1958 – Harry Warner, Polish-American film producer, co-founded Warner Bros. (b. 1881) |
| 145974 | December 27 | Death | 1960 – Jakob "Jackie" Gerlich, Austrian-American actor (b. 1917) |
| 145975 | December 27 | Death | 1965 – Edgar Ende, German painter (b. 1901) |
| 145976 | December 27 | Death | 1972 – Lester B. Pearson, Canadian historian and politician, 14th Prime Minister of Canada, Nobel Prize laureate (b. 1897) |
| 145977 | December 27 | Death | 1974 – Vladimir Fock, Russian physicist and mathematician (b. 1898) |
| 145978 | December 27 | Death | 1974 – Amy Vanderbilt, American author (b 1908) |
| 145979 | December 27 | Death | 1978 – Chris Bell American singer-songwriter and guitarist (Big Star) (b. 1951) |
| 145980 | December 27 | Death | 1978 – Houari Boumediene, Algerian colonel and politician, 2nd President of Algeria (b. 1932) |