| 33961 | March 26 | Holiday and observance | Synaxis of the Archangel Gabriel (Eastern Christianity) |
| 33962 | March 27 | Event | 87 BC – Crown Prince Fuling, later Emperor Zhao of Han, is named as Emperor Wu of Han's successor and heir to the throne. Emperor Wu dies two days later. |
| 33963 | March 27 | Event | 1309 – Pope Clement V imposes excommunication, interdiction, and a general prohibition of all commercial intercourse against Venice, which had unjustly seized on Ferrara, a fief of the Patrimony of Peter. |
| 33964 | March 27 | Event | 1329 – Pope John XXII issues his In Agro Dominico condemning some writings of Meister Eckhart as heretical. |
| 33965 | March 27 | Event | 1513 – Spanish explorer Juan Ponce de León reaches the northern end of The Bahamas on his first voyage to Florida. |
| 33966 | March 27 | Event | 1613 – The first English child born in Canada at Cuper's Cove, Newfoundland to Nicholas Guy. |
| 33967 | March 27 | Event | 1625 – Charles I becomes King of England, Scotland and Ireland as well as claiming the title King of France. |
| 33968 | March 27 | Event | 1782 – Charles Watson-Wentworth, 2nd Marquess of Rockingham becomes Prime Minister of the United Kingdom. |
| 33969 | March 27 | Event | 1794 – The United States Government establishes a permanent navy and authorizes the building of six frigates. |
| 33970 | March 27 | Event | 1794 – Denmark and Sweden form a neutrality compact. |
| 33971 | March 27 | Event | 1809 – Peninsular War: A combined Franco-Polish force defeats the Spanish in the Battle of Ciudad Real. |
| 33972 | March 27 | Event | 1812 – Hugh McGary Jr. establishes what is now Evansville, Indiana on a bend in the Ohio River. |
| 33973 | March 27 | Event | 1814 – War of 1812: In central Alabama, U.S. forces under General Andrew Jackson defeat the Creek at the Battle of Horseshoe Bend. |
| 33974 | March 27 | Event | 1836 – Texas Revolution: Goliad massacre: On the orders of General Antonio López de Santa Anna, the Mexican army butchers 342 Texas POWs at Goliad, Texas. |
| 33975 | March 27 | Event | 1851 – First reported sighting of the Yosemite Valley by Europeans. |
| 33976 | March 27 | Event | 1871 – The first international rugby football match, when Scotland defeats England in Edinburgh at Raeburn Place. |
| 33977 | March 27 | Event | 1881 – Rioting takes place in Basingstoke in protest against the daily vociferous promotion of teetotalism by The Salvation Army. |
| 33978 | March 27 | Event | 1884 – A mob in Cincinnati, Ohio, attacks members of a jury who had returned a verdict of manslaughter in a clear case of murder, and then over the next few days would riot and destroy the courthouse. |
| 33979 | March 27 | Event | 1886 – Famous Apache warrior, Geronimo, surrenders to the U.S. Army, ending the main phase of the Apache Wars. |
| 33980 | March 27 | Event | 1890 – A tornado strikes Louisville, Kentucky, killing 76 and injuring 200. |
| 33981 | March 27 | Event | 1899 – Emilio Aguinaldo leads Filipino forces for the only time during the Philippine–American War at the Battle of Marilao River. |
| 33982 | March 27 | Event | 1910 – A fire during a barn-dance in Ököritófülpös, Hungary, kills 312. |
| 33983 | March 27 | Event | 1915 – Typhoid Mary, the first healthy carrier of disease ever identified in the United States, is put in quarantine, where she would remain for the rest of her life. |
| 33984 | March 27 | Event | 1918 – Bessarabia is ceded to the Kingdom of Romania. |
| 33985 | March 27 | Event | 1938 – Second Sino-Japanese War: The Battle of Taierzhuang begins, resulting several weeks later in the war's first major Chinese victory over Japan. |
| 33986 | March 27 | Event | 1941 – World War II: Yugoslavian Air Force officers topple the pro-Axis government in a bloodless coup. |
| 33987 | March 27 | Event | 1943 – World War II: Battle of the Komandorski Islands: In the Aleutian Islands the battle begins when United States Navy forces intercept Japanese attempting to reinforce a garrison at Kiska. |
| 33988 | March 27 | Event | 1945 – World War II: Operation Starvation, the aerial mining of Japan's ports and waterways begins. Argentina declares war on the Axis Powers. |
| 33989 | March 27 | Event | 1948 – The Second Congress of the Workers' Party of Korea is convened. |
| 33990 | March 27 | Event | 1958 – Nikita Khrushchev becomes Premier of the Soviet Union. |