page_title: 1587
hierarchical_section_title: 1587
caption_attribution_description: Nederlands: Universiteitsbibliotheek Leiden in 1610 van Woudanus.
context_page_description: 1587 was a common year starting on Thursday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar. As of the start of 1587, the Gregorian calendar was 10 days ahead of the Julian calendar.
context_section_description: 1587 (MDLXXXVII) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar. As of the start of 1587, the Gregorian calendar was 10 days ahead of the Julian calendar.
caption: October 31: Leiden University Library is opened.
exif: {}