diff --git a/frontend/src/services/calendar_service.rs b/frontend/src/services/calendar_service.rs
index 428bd5f..2fe2348 100644
--- a/frontend/src/services/calendar_service.rs
+++ b/frontend/src/services/calendar_service.rs
@@ -271,8 +271,8 @@ impl CalendarService {
     pub fn expand_recurring_events(events: Vec<VEvent>) -> Vec<VEvent> {
         let mut expanded_events = Vec::new();
         let today = chrono::Utc::now().date_naive();
-        let start_range = today - Duration::days(30); // Show past 30 days
-        let end_range = today + Duration::days(365); // Show next 365 days
+        let start_range = today - Duration::days(36500); // Show past 100 years (to catch any historical yearly events)
+        let end_range = today + Duration::days(36500); // Show next 100 years
 
         for event in events {
             if let Some(ref rrule) = event.rrule {