The core business of the UBL is to support research and education by making information available and accessible in a sustainable and open manner. In addition, the UBL also has a social, cultural and international role, partly because of the heritage it manages. To this end, we offer a digital and physical…

The special collections from Japan and Korea are located at the central library building at Witte Singel, where it forms a part of the Asian Library.

Are you curious about how the human skeleton works? Discover this and more on 3 October in Leiden and on 4 October in The Hague.

Leiden University is celebrating its 450th anniversary in 2025 with a feast for the eyes, ears and spirit. The anniversary year opens with an extra special Dies Natalis on 7 February. Highlights includes an alumni festival, three exhibitions and a canal concert.

VSNU, NFU, NWO and Elsevier have agreed publishing, reading and open science services to support Dutch research and innovation ambitions.

Armed with sunglasses, a thick layer of sunscreen and several bottles of water, over 3,300 students have arrived in Leiden for their introduction week. The start of the 55th EL CID happened to be on the hottest day of the year.

The importance of science communication and cross-boundary collaboration, and the ‘mantra’ of diminishing social cohesion in society: these all came up at Leiden University’s 448th Dies Natalis. A panel discussion including Leiden’s mayor Lenferink, music and two honorary doctorates completed the special…

President John Quincy Adams studied in Leiden. His father, John, who was also president, also stayed here and received a lot of support from professor and publisher Johan Luzac. And how are presidents Bush and Obama linked to Leiden?

An extra-long cortège, three honorary doctorates, a quiz about 450 years of university history, a Dies Natalis rap and a call to defend academic freedom: these all featured in Leiden University’s 450th Dies Natalis celebration and the official start of its jubilee year.

Festival