1846 Neptune discovered
1909 Phantom of the Opera published
Saudi Arabia National Day
Thimphu Tshechu (Bhutan, 2015)
Eid-ul-Adha (2015 – the one where they eat all the meat, usually sheep/goat, to celebrate that time Ibrahim – Abraham in the Bible version – was asked by Allah/God to sacrifice his son Ismail/Isaac. Allah gave him a goat to sacrifice at the last minute.