diff --git a/src/app.rs b/src/app.rs
index 424338c..aeba0af 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -705,37 +705,108 @@ pub fn App() -> Html {
                                         _ => "none",
                                     }.to_string();
 
-                                    match calendar_service.update_event(
-                                        &token,
-                                        &password,
-                                        original_event.uid,
-                                        updated_data.title,
-                                        updated_data.description,
-                                        start_date,
-                                        start_time,
-                                        end_date,
-                                        end_time,
-                                        updated_data.location,
-                                        updated_data.all_day,
-                                        status_str,
-                                        class_str,
-                                        updated_data.priority,
-                                        updated_data.organizer,
-                                        updated_data.attendees,
-                                        updated_data.categories,
-                                        reminder_str,
-                                        recurrence_str,
-                                        updated_data.recurrence_days,
-                                        updated_data.selected_calendar
-                                    ).await {
-                                        Ok(_) => {
-                                            web_sys::console::log_1(&"Event updated successfully".into());
-                                            // Trigger a page reload to refresh events from all calendars
-                                            web_sys::window().unwrap().location().reload().unwrap();
+                                    // Check if the calendar has changed
+                                    let calendar_changed = original_event.calendar_path.as_ref() != updated_data.selected_calendar.as_ref();
+                                    
+                                    if calendar_changed {
+                                        // Calendar changed - need to delete from original and create in new
+                                        web_sys::console::log_1(&"Calendar changed - performing delete + create".into());
+                                        
+                                        // First delete from original calendar
+                                        if let Some(original_calendar_path) = &original_event.calendar_path {
+                                            if let Some(event_href) = &original_event.href {
+                                                match calendar_service.delete_event(
+                                                    &token,
+                                                    &password,
+                                                    original_calendar_path.clone(),
+                                                    event_href.clone(),
+                                                    "single".to_string(), // delete single occurrence 
+                                                    None
+                                                ).await {
+                                                    Ok(_) => {
+                                                        web_sys::console::log_1(&"Original event deleted successfully".into());
+                                                        
+                                                        // Now create the event in the new calendar
+                                                        match calendar_service.create_event(
+                                                            &token,
+                                                            &password,
+                                                            updated_data.title,
+                                                            updated_data.description,
+                                                            start_date,
+                                                            start_time,
+                                                            end_date,
+                                                            end_time,
+                                                            updated_data.location,
+                                                            updated_data.all_day,
+                                                            status_str,
+                                                            class_str,
+                                                            updated_data.priority,
+                                                            updated_data.organizer,
+                                                            updated_data.attendees,
+                                                            updated_data.categories,
+                                                            reminder_str,
+                                                            recurrence_str,
+                                                            updated_data.recurrence_days,
+                                                            updated_data.selected_calendar
+                                                        ).await {
+                                                            Ok(_) => {
+                                                                web_sys::console::log_1(&"Event moved to new calendar successfully".into());
+                                                                // Trigger a page reload to refresh events from all calendars
+                                                                web_sys::window().unwrap().location().reload().unwrap();
+                                                            }
+                                                            Err(err) => {
+                                                                web_sys::console::error_1(&format!("Failed to create event in new calendar: {}", err).into());
+                                                                web_sys::window().unwrap().alert_with_message(&format!("Failed to move event to new calendar: {}", err)).unwrap();
+                                                            }
+                                                        }
+                                                    }
+                                                    Err(err) => {
+                                                        web_sys::console::error_1(&format!("Failed to delete original event: {}", err).into());
+                                                        web_sys::window().unwrap().alert_with_message(&format!("Failed to delete original event: {}", err)).unwrap();
+                                                    }
+                                                }
+                                            } else {
+                                                web_sys::console::error_1(&"Original event missing href for deletion".into());
+                                                web_sys::window().unwrap().alert_with_message("Cannot move event - original event missing href").unwrap();
+                                            }
+                                        } else {
+                                            web_sys::console::error_1(&"Original event missing calendar_path for deletion".into());
+                                            web_sys::window().unwrap().alert_with_message("Cannot move event - original event missing calendar path").unwrap();
                                         }
-                                        Err(err) => {
-                                            web_sys::console::error_1(&format!("Failed to update event: {}", err).into());
-                                            web_sys::window().unwrap().alert_with_message(&format!("Failed to update event: {}", err)).unwrap();
+                                    } else {
+                                        // Calendar hasn't changed - normal update
+                                        match calendar_service.update_event(
+                                            &token,
+                                            &password,
+                                            original_event.uid,
+                                            updated_data.title,
+                                            updated_data.description,
+                                            start_date,
+                                            start_time,
+                                            end_date,
+                                            end_time,
+                                            updated_data.location,
+                                            updated_data.all_day,
+                                            status_str,
+                                            class_str,
+                                            updated_data.priority,
+                                            updated_data.organizer,
+                                            updated_data.attendees,
+                                            updated_data.categories,
+                                            reminder_str,
+                                            recurrence_str,
+                                            updated_data.recurrence_days,
+                                            updated_data.selected_calendar
+                                        ).await {
+                                            Ok(_) => {
+                                                web_sys::console::log_1(&"Event updated successfully".into());
+                                                // Trigger a page reload to refresh events from all calendars
+                                                web_sys::window().unwrap().location().reload().unwrap();
+                                            }
+                                            Err(err) => {
+                                                web_sys::console::error_1(&format!("Failed to update event: {}", err).into());
+                                                web_sys::window().unwrap().alert_with_message(&format!("Failed to update event: {}", err)).unwrap();
+                                            }
                                         }
                                     }
                                 });