Saturn’s moon, Enceladus, was discovered by William Herschel.
Source
Martin Luther King Jr. delivered his historic 'I Have a Dream' speech at the Lincoln Memorial.
The Slave Abolition Act was passed and came into effect the following year on August 1.
Toyota Motor Corporation was founded after operating as a division of Toyoda Automatic Looms for six years.
Nature magazine published findings of a 3.8-million-year-old skull found in Ethiopia, which questioned our previous theories of human evolution.
The Battle of Wofla between the Turkish and Portuguese occurred.