Past activities
Nieuwe activiteitenMore-than-Planet
Starting on the 2nd of July, you can view a new exhibition at the Leiden Observatory: More-than-Planet. How do we imagine our planet?
Planktonium
Museum De Lakenhal shows planktonium by Jan van Ijken: a magical art film about the life of plankton.
The Leiden Maths Walk
For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.
Route of Discoveries
There have been a lot of amazing and important discoveries done in Leiden. Follow the Route of Discoveries: see new places in the city or fi...
Playing with mathematics
Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...
Life skills for young people
All young people deserve equal opportunities. That is why it is important that they can cope well with daily and difficult situations. Stren...
Seeing Stars Citizen Science
During the night of Seeing Stars Leiden, Citizen Science will try to answer many burning questions!
More-than-Planet
Starting on the 2nd of July, you can view a new exhibition at the Leiden Observatory: More-than-Planet. How do we imagine our planet?
Route of Discoveries
There have been a lot of amazing and important discoveries done in Leiden. Follow the Route of Discoveries: see new places in the city or fi...
Playing with mathematics
Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...
Meet & Mingle
Meeting other people can be difficult – that’s why Expat Centre Leiden is organising a monthly Meet & Mingle, where you can meet other p...
Planktonium
Museum De Lakenhal shows planktonium by Jan van Ijken: a magical art film about the life of plankton.
PRESS: Day of Leiden Journalism
Leiden students and teachers from various programmes will present a year's worth of research on 'Journalism in Leiden: then, now and later' ...
The Leiden Maths Walk
For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.
Evening at the Observatory: 'WE LOOK FOR THE SUN'
Together with WorkGroup Leiden Observatory, you can look up to the sun today.
Day of Journalism
Come to the Day of Journalism in Leiden. Learn all about Leiden's rich newspaper history during a journalism walk and end the day with drink...