British Slavery Abolished: How the Slavery Abolition Act of 1833 Freed 800,000 People

On August 28, 1833, the Slavery Abolition Act received Royal Assent in the Parliament of the United Kingdom, formally ending the institution of slavery across most of the British E

Oxygen Discovered: How Joseph Priestley’s August 1, 1774 Experiment Changed Science Forever

On August 1, 1774, a forty-one-year-old English minister and amateur scientist named Joseph Priestley focused sunlight through a twelve-inch glass burning lens onto a small lump of