1873 followed by 1874
1873 (MDCCCLXXIII) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1873rd year of the Common Era (CE) and Anno Domini (AD) designations, the 873rd  year of the 2nd millennium, the 73rd  year of the 19th century, and the  4th   year of the 1870s decade. As of the start of 1873, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.