Leiden will be the European City of Science for a full year. There's so much stuff to experience and discover in Leiden and its surrounding areas. There's something happening on every single day of the year. We hope to spark your curiosity for the wonderful world of science, knowledge, art, and craftmanship. There's a lot to choose from: 365 days, each with a different subject assigned to it. There's something for everyone, so surely there's something for you.