Oct 13, 1773
The French astronomer Charles Messier（夏尔·梅西耶） discovered the Whirlpool Galaxy（涡状星系）which is around 76,000 light years in diameter and contains an estimated 2.1 trillion stars.
Today is
Disaster Day
or
the International Day
for
Disaster Reduction
https://www.unesco.org/en/days/disaster-risk-reduction
Oct 13, 2016
Dario Fo, the Italian playwright, actor, theatre director, and songwriter, died at age 90. He won the 1997 Nobel Prize in Literature.
Reference
www.dariofo.it