68: Roman Emperor Nero commits suicide, imploring his secretary Epaphroditos to slit his throat to evade a Senate-imposed death by flogging

721: Odo of Aquitaine defeats a Umayyad Muslim army at the Battle of Toulouse, checks Arab expansion in Western Europe

1549: Book of Common Prayer is adopted by the Church of England

1815: End of the Congress of Vienna: New European political situation is set

1856: 500 Mormons leave Iowa City, Iowa, and head west for Salt Lake City, Utah, carrying all their possessions in two-wheeled handcarts

1898: China leases Hong Kong’s new territories to the United Kingdom for 99 years

1977: Silver jubilee of Queen Elizabeth II of Great Britain celebrated with fireworks

2019: Over 1 million people protest in Hong Kong over proposed new laws for extradition to China in one of largest-ever protests in the city

Source: Onthisday.com