1760 followed by 1761
1760 (MDCCLX) was a leap year starting on Tuesday of the Gregorian calendar and a leap year starting on Saturday of the Julian calendar, the 1760th year of the Common Era (CE) and Anno Domini (AD) designations, the 760th  year of the 2nd millennium, the 60th  year of the 18th century, and the  1st   year of the 1760s decade. As of the start of 1760, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.