- Jun 1 Sahajanand Swami, believed to be an incarnation of god by his followers, leaves his mortal body. (b. 1781)
- Jun 4 Antonio José de Sucre, Great Marshall of Ayacucho (b. 1795)
- Jun 25 Ephraim McDowell, American physician and surgeon (pioneered abdominal surgery), dies at 58
- Jun 26 George IV, King of the United Kingdom of Great Britain and Ireland and King of Hanover (1820-30), dies of upper gastrointestinal bleeding resulting from the rupture of a blood vessel in his stomach at 67
- Jun 28 David Walker, African-American abolitionist (Appeal to Colored Citizens), dies at 33
Assassination
Drug Overdose
Gunshot Wound
Murder
Plane Crash
Suicide