diff --git a/agenda/data.py b/agenda/data.py
index 45da97c..db5754e 100644
--- a/agenda/data.py
+++ b/agenda/data.py
@@ -178,6 +178,7 @@ def combine_holidays(holidays: list[Holiday]) -> list[Event]:
         (12, 8): "Immaculate conception",
         (12, 25): "Christmas Day",
         (12, 26): "Boxing Day",
+        (5, 1): "Labour Day",
     }
 
     combined: collections.defaultdict[