1917 followed by 1918
1917 (MCMXVII) was a common year starting on Monday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1917th year of the Common Era (CE) and Anno Domini (AD) designations, the 917th  year of the 2nd millennium, the 17th  year of the 20th century, and the  8th   year of the 1910s decade. As of the start of 1917, the Gregorian calendar was 13 days ahead of the Julian calendar, which remained in localized use until 1923.