Income tax was introduced in the UK so that prime minister William Pitt could collect funds to beat Napoleon.
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The French Academy of Science announced the first-ever photograph.
Steve Jobs announced Apple's very first smartphone, the iPhone 1.
During the Black Death persecutions, 700 Jews were burned alive in their own homes in Basel, Netherlands.
The European Union's climate service declared that 2023 was the hottest year on record.
The first-ever all-female golf tournament was held.