| 252 | BC | Cn. Cornelius Scipio Asina celebrated a Triumph for defeating the Carthaginians -- Learn More |
| 0 | | Feast of St. Turibius of Mogrovejo, Patron of Peru, of Native Americans, and of Scouts |
| 0 | | Roman Festival of the Tubilustrium - Purification of the War Trumpets |
| 625 | | Battle of Uhod: The Quriesh defeat the Moslems |
| 752 | | Election of Pope Stephen II (23-26 Mar 752) |
| 1026 | | German King Conrad II declares himself King of Italy |
| 1153 | | Treaty of Konstanz between Frederik I Barbarossa & Pope Eugene III |
| 1208 | | Pope Innocent III excommunicates King John and lays England under interdict until the Crown restores ecclesiastical rights |
| 1568 | | Peace of Longjumeau: ends French Second War of Religion (1567-1568) |
| 1603 | | Emperor Go-Yozei declares Tokugawa Ieyasu Shogun of Japan (1603-1616), establishing the Tokugaw Shogunate that woud rule until 1868 |
| 1630 | | French capture Pinerolo, Piedmont |
| 1657 | | France and England conclude an alliance against Spain |
| 1775 | | Patrick Henry says ". . . give me liberty or give me death!" |
| 1801 | | Accession of Tsar Alexander I of Russia (1801-1825) -- Learn More |
| 1806 | | French defeat Fra Diavolo at Santa Oliva, near Itri -- Learn More |
| 1806 | | Lewis & Clark reach the Pacific Coast |
| 1808 | | Napoleon makes his brother Joseph King of Spain |
| 1815 | | USS 'Hornet' captures HMS 'Penguin' in just 22 minutes, though the War of 1812 has been over for more than three months |
| 1849 | | Battle of Novara: Austrians defeat the Piedmontese |
| 1849 | | Brescians begin a 10-day uprising against the Austrians (fails, Apr 1) |
| 1862 | | Battle of Kernstown, Va: Jackson begins his Valley Campaign |
| 1864 | | Skirmish at Camden, Arkansas |
| 1865 | | First black troops muster into the Confederate Army, c. 200 men at Ricmond |
| 1871 | | The training vessel HMS 'Eurydice" founders in a storm off the Isle of Wight, two of her 319 crew and trainees survive. |
| 1879 | | Battle of Calama: Chileans defeat the Bolivians |
| 1882 | | USN establishes the Office of Naval Intelligence |
| 1901 | | Brig Gen Frederick Funston personally captures Emilio Aguinaldo |
| 1903 | | The Wright Brothers receive a patent for their airplane |
| 1915 | | British form the Zion Mule Corps |
| 1918 | | Lithuania proclaims independence from Russia |
| 1918 | | Paris is shelled by German very-long range artillery |
| 1918 | | The Union League Club of New York presents colors to the 367th Infantry, the city's s black draftee regiment, as it prepares to ship out for France |
| 1919 | | Benito Mussolini founds the Fascist Party, Milan |
| 1933 | | The Reichstag grants Hitler dictatorial powers |
| 1934 | | Congress establishes the Commonwealth of the Philippines, and authorizes a transition to independence in 1946 |
| 1942 | | Andaman Is: Japanese 18th Div occupies Port Blair |
| 1942 | | Lublin, Poland: 2,500 Jews massacred by the Germans |
| 1944 | | RAF Flight Sergeant Nicholas Alkemade survives a 5,500 m fall without a parachute after his Lancaster is hit near Berlin |
| 1945 | | Admiral Sir Bruce Fraser newly formed "British Pacific Fleet" joins the USN in the Central Pacific as TF 37/57 |
| 1956 | | Pakistan is proclaimed an Islamic Republic within the Commonwealth |
| 1956 | | Sudan becomes independent of Anglo-Egyptian control |
| 1957 | | US army sells its last homing pigeons |
| 1965 | | Gemini 3 launched, first US 2-man space flight (Grissom & Young) |
| 1998 | | Mass shooting at a middle school in Jonesboro, Arkansas; five die, ten are wounded. |
| 2003 | | USMC Task Force Tarawa captures An Nasiriyah after a hot fight. |
| 1514 | | Lorenzino de' Medici, author, later murderer of his kinsman Duke Alessandro "il Moro" de' Medici of Florence in 1537, murdered in turn by his kinsman Duke Cosimo I de' Medici of Florence in 1548 |
| 1754 | | Baron Jurij Vega, Hapsburg artilleryman, d. 1802 |
| 1769 | | Augustin Daniel Belliard, le comte Belliard et de l'Empire, French general, d. 1832 |
| 1818 | | Don Carlos Buell, Maj Gen, U.S., d. 1898 |
| 1825 | | Edward Lloyd Thomas, Brig Gen, C.S.A., d. 1898 |
| 1883 | | Faisal ibn Hussein ibn Ali, King of Syria (1920), King of Iraq (1921-1933), friend to Lawrence |
| 1887 | | Prince Felix Yussupov, who would kill Rasputin, d. 1967 |
| 1912 | | Werner von Braun, Nazi rocket scientist who got over, d. 1977 |
| 1915 | | Vasily Grigoryevich Zaytsev, noted sniper (c. 400 kills), Hero of the Soviet Union, d. 1991 |
| 1369 | | King Pedro "the Cruel" of Castile & Leon (1350-1369), 34, murdered |
| 1555 | | Pope Julius III - Gianmaria Ciocchi del Monte (1550-1555), at 67 |
| 1653 | | Johan van Galen, Dutch admiral, kia at c. 48 |
| 1801 | | Tsar Paul I (1796-1801), strangled at 46 |
| 1819 | | Augustus Frederick von Kotzebue, German dramatist, 56, assassinated by a theology student at Mannheim |
| 1842 | | Stendhal (Marie-Henri Beyle), author ("The Charterhouse of Parma"), at 59 |
| 1994 | | Luis Donaldo Colosio, 44, Mexican presidential candidate, assassinated in Tijuana |
| 2006 | | Desmond Doss, 87, conscientious objector who had earned a Medal of Honor as a medic on Okinawa |