1878 followed by 1879
1878 (MDCCCLXXVIII) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1878th year of the Common Era (CE) and Anno Domini (AD) designations, the 878th  year of the 2nd millennium, the 78th  year of the 19th century, and the  9th   year of the 1870s decade. As of the start of 1878, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.