diff --git a/content/events/events.yaml b/content/events/events.yaml
index fe51488..7a517ca 100644
--- a/content/events/events.yaml
+++ b/content/events/events.yaml
@@ -1 +1,14 @@
-[]
+- ical_uid: accu-on-sea-2026@cpp.social
+  title: ACCU on Sea 2026
+  description: The ACCU Conference and C++ on Sea joined for one event, with workshops followed by four conference days
+  start_date: 2026-06-15
+  end_date: 2026-06-20
+  location: Folkestone, Kent, UK
+  venue: Leas Cliff Hall
+  format: in_person
+  event_type: conference
+  organizer: Shaved Yaks Ltd
+  path: https://accuonsea.uk/
+  source_url: https://accuonsea.uk/faq/
+  source_name: ACCU on Sea
+  last_verified: 2026-08-12