1596 followed by 1597
1596 (MDXCVI) was a leap year starting on Monday of the Gregorian calendar and a leap year starting on Thursday of the Julian calendar, the 1596th year of the Common Era (CE) and Anno Domini (AD) designations, the 596th  year of the 2nd millennium, the 96th  year of the 16th century, and the  7th   year of the 1590s decade. As of the start of 1596, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.