1787 followed by 1788
1787 (MDCCLXXXVII) was a common year starting on Monday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1787th year of the Common Era (CE) and Anno Domini (AD) designations, the 787th  year of the 2nd millennium, the 87th  year of the 18th century, and the  8th   year of the 1780s decade. As of the start of 1787, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.