1799 – British Prime Minister William Pitt the Younger introduces an income tax of two shillings to the pound to raise funds for Great Britain's war effort in the Napoleonic Wars.
1839 – The French Academy of Sciences announces the Daguerreotype photography process.
1942 - US Joint Chiefs of Staff created
2002 - Michael Jackson receives the Artist of the Century award at the American music awards
1870 – Joseph Strauss, American engineer, co-designed the Golden Gate Bridge (d. 1938)
9 January Knowledge History - Science, Engineering and Management
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