On This Day
August 5th

 
1775 the 1st Spanish ship, 'San Carlos', enters San Francisco bay.
1861 US levies it's first Income Tax (3% of incomes over $800).
1864 the spectrum of a comet observed for 1st time, by Giovanni Donati.
1963 Nuclear Test Ban Treaty signed.

Birthdays
 

1930 Neil Armstrong, 1st Moonwalker