Deaths on June 14

Günther von Schwarzburg, German king (b. 1304)

Günther XXI von Schwarzburg (c. 1304 - 14 June 1349), disputed King of Germany, was a descendant of the counts of Schwarzburg.

9 Jan

Basel massacre
The Jewish population of Basel, believed by the residents to be the cause of the ongoing Black Death, is rounded up and incinerated.
17 Apr

Hasan II (Bavandid ruler)
The rule of the Bavand dynasty in Mazandaran is brought to an end by the murder of Hasan II.
24 Aug

Bubonic plague
Six thousand Jews are killed in Mainz after being blamed for the bubonic plague.[1]