- 1st America's Cup: New York Yacht Club’s first defense of America’s Cup; 'Magic' (NYYC) defeats 'Cambria' (Royal Thames YC, England; finishes 8th) and 16 fellow defenders from NY Harbour to Sandy Hook Light Vessel on the Atlantic and return (38 miles)
- The Republic of Ploieşti, a failed Radical-Liberal rising against Domnitor Carol of Romania.
About August 8, 1870
Day of the Week: Monday
How Long Ago? 152 years, 7 months and 17 days
Leap Year: No
Star Sign: Leo