1603

1603 (MDCIII) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1603rd year of the Common Era (CE) and Anno Domini (AD) designations, the 603rd year of the 2nd millennium, the 3rd year of the 17th century, and the 4th year of the 1600s decade. As of the start of 1603, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.

1603

1603 (MDCIII) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1603rd year of the Common Era (CE) and Anno Domini (AD) designations, the 603rd year of the 2nd millennium, the 3rd year of the 17th century, and the 4th year of the 1600s decade. As of the start of 1603, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.