Tags: Year.
Year 1840 (MDCCCXL) was a leap year starting on Wednesday (link will display the full calendar) of the Gregorian calendar and a leap year starting on Monday of the 12-day slower Julian calendar.
Tags: Year.
Year 1840 (MDCCCXL) was a leap year starting on Wednesday (link will display the full calendar) of the Gregorian calendar and a leap year starting on Monday of the 12-day slower Julian calendar.
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