diff --git a/src/components/EventsCalendar.tsx b/src/components/EventsCalendar.tsx
index 6f78b98..8b1033c 100644
--- a/src/components/EventsCalendar.tsx
+++ b/src/components/EventsCalendar.tsx
@@ -29,6 +29,8 @@ interface EventsCalendarProps {
   goingCounts?: Map<string, number>;
   /** Which kinds to display. */
   show: 'events' | 'tours';
+  /** Unix seconds to open the calendar on (e.g. the newest past event). */
+  anchorUnix?: number;
 }
 
 // ─── Date helpers (local time) ────────────────────────────────────────────────
@@ -119,10 +121,23 @@ function formatDayLong(d: Date): string {
 
 // ─── Component ────────────────────────────────────────────────────────────────
 
-export function EventsCalendar({ events, tours, goingCounts, show }: EventsCalendarProps) {
+export function EventsCalendar({ events, tours, goingCounts, show, anchorUnix }: EventsCalendarProps) {
   const today = useMemo(() => startOfDay(new Date()), []);
-  const [view, setView] = useState<Date>(() => new Date(today.getFullYear(), today.getMonth(), 1));
-  const [selected, setSelected] = useState<Date>(today);
+  const [view, setView] = useState<Date>(() => {
+    const base = anchorUnix ? new Date(anchorUnix * 1000) : today;
+    return new Date(base.getFullYear(), base.getMonth(), 1);
+  });
+  const [selected, setSelected] = useState<Date>(() => startOfDay(anchorUnix ? new Date(anchorUnix * 1000) : today));
+
+  // Follow the anchor when the caller changes tabs (React state is only the
+  // initial value otherwise). Without this, "Past" opened on the CURRENT month
+  // — which has no past events — so the calendar looked empty.
+  useEffect(() => {
+    if (!anchorUnix) return;
+    const d = new Date(anchorUnix * 1000);
+    setView(new Date(d.getFullYear(), d.getMonth(), 1));
+    setSelected(startOfDay(d));
+  }, [anchorUnix]);
 
   const accent = show === 'events'
     ? { dot: 'bg-[#ccff00]', ring: 'ring-[#ccff00]', text: 'text-[#ccff00]', soft: 'bg-[#ccff00]/15', border: 'border-[#ccff00]/40', solid: 'bg-[#ccff00] text-black' }
diff --git a/src/pages/EventsPage.tsx b/src/pages/EventsPage.tsx
index 1969db5..6ae78b8 100644
--- a/src/pages/EventsPage.tsx
+++ b/src/pages/EventsPage.tsx
@@ -1195,6 +1195,11 @@ export default function EventsPage() {
                 events={activeTab === 'upcoming' ? filteredEvents.upcoming : filteredEvents.past}
                 tours={[]}
                 goingCounts={goingById}
+                anchorUnix={
+                  activeTab === 'past' && filteredEvents.past.length > 0
+                    ? filteredEvents.past.reduce((m, e) => Math.max(m, e.start), 0)
+                    : undefined
+                }
               />
             )
           )}