Year 1770 (MDCCLXX) was a common year starting on Monday (see link for calendar) of the Gregorian calendar (or a common year starting on Friday of the 11-day-slower Julian calendar). Events of 1770 January – June January 1 – Foundation of Fort George, Bombay laid by Colonel Keating, principal engineer, on the site of the former Dongri Fort. March 5 – Boston Massacre: Five Americans are shot by British troops in an event that helps start the American Revolutionary War 5 yea… (More on 1770)