https://www.w3.org/2014/10/29-w3c20-minutes.html
W3C 20th anniversary symposium on The Future of the Web -- 29 Oct 2014
20th anniversary symposiumon the future
https://www.utwente.nl/en/choir/events/ArchiveSymposia/choir_anniversary/anniversary_programme/
Programme | November 2025 - Symposium 20th anniversary CHOIR | CHOIR
november 202520th anniversaryprogrammesymposiumchoir
https://www.ntu.edu.sg/sbs/news-and-events/events/2022/08/04/default-calendar/20th-anniversary-research-symposium
20th Anniversary Research Symposium | School of Biological Sciences | NTU Singapore
Join us in the celebration of our achievements through this research symposium where we invite our alumni, graduate students and postdocs to share their...
school of biological sciences20th anniversaryresearch symposiumntusingapore
https://www.utwente.nl/en/choir/events/ArchiveSymposia/choir_anniversary/link_registration/
Registration | November 2025 - Symposium 20th anniversary CHOIR | CHOIR
november 202520th anniversaryregistrationsymposiumchoir