History Trivia - Supernova seen in Cassiopeia

August 4

 70 the destruction of the Second Temple in Jerusalem by the Romans.

1181 Supernova was seen in Cassiopeia, a constellation in the northern sky, named after the vain Queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty.

1265 Second Barons' War: Battle of Evesham: the army of Prince Edward (the future king Edward I of England) defeated the forces of rebellious barons led by Simon de Montfort, 6th Earl of Leicester, killing de Montfort and many of his allies.

 

History Trivia - English physician Edward Jenner gives the first successful smallpox vaccination.

May 14

 1264 Barons War: Simon de Montfort, 6th Earl of Leicester,  defeated English king Henry III.

1572 Gregory XIII, best known for his calendar reform, was elected pope.

1796 English physician Edward Jenner gave the first successful smallpox vaccination.