450 years of Leiden University, a milestone in science and innovation
On February 7, 2025, Leiden University celebrated its 450th anniversary, a milestone that underscored its position as the oldest university in the Netherlands. This anniversary provided a unique opportunity to reflect on centuries of academic excellence and look ahead to future contributions to science and society.
A rich history
Since its founding in 1575, Leiden University has played a crucial role in advancing knowledge and driving innovation. For 450 years, the university has facilitated numerous scientific breakthroughs and produced distinguished alumni who have made a global impact.
Celebration of the lustrum
The theme of the anniversary, "The Time Ahead," reflected the university's ongoing commitment to progress and social engagement. The anniversary year was marked by various events and activities that highlighted the university's rich tradition and vision for the future.
On February 7, 2025, the official Dies Natalis took place at the Pieterskerk in Leiden. During this celebration, honorary doctorates were awarded, and performances were given by, among others, science rapper Jon Chase and singer Celesta da Vinci.
International astronomers gather in Leiden
At the end of March 2025, Leiden will welcome 500 astronomers from around the world. During this event, the first public data from the Euclid telescope will be presented, a groundbreaking space project in which Leiden scientists play a key role. In addition to scientific sessions, there will also be activities for the public and schools, making the university’s knowledge and discoveries accessible to a wider audience.
These additions highlight both Leiden's scientific reputation and the international impact of its 450th anniversary.
