diff --git a/events.js b/events.js
new file mode 100644
index 0000000..340427e
--- /dev/null
+++ b/events.js
@@ -0,0 +1,14 @@
+// Configuration of periodic events in CoBiE time
+// Each event repeats every cosmocycle.
+// "cobie" is the timestamp within the cosmocycle when the event occurs.
+// "tag" is a short label that will be displayed on the calendar.
+
+window.SPECIAL_EVENTS = [
+  { cobie: '49f4.9332', label: 'Afina',        megasequence: 'Mythran Epoch', eonstrip: 'Ventaso' },
+  { cobie: '11e5.f552', label: 'Oleks',        megasequence: 'Umbral Echo',   eonstrip: 'Ignisar' },
+  { cobie: '4d07.a2b2', label: 'Vincent',      megasequence: 'Azurean Tide',  eonstrip: 'Floraen' },
+  { cobie: '3edc.d430', label: 'Hochzeitstag', megasequence: 'Lustran Bounty', eonstrip: 'Electros' },
+  { cobie: '330d.d4ae', label: 'Zusammentag',  megasequence: 'Azurean Tide',  eonstrip: 'Chronar' },
+  { cobie: '11de.0c52', label: 'Anna',         megasequence: 'Lustran Bounty', eonstrip: 'Radiantae' },
+  { cobie: '467f.ae61', label: 'Iris',         megasequence: 'Argent Veil',   eonstrip: 'Etherion' }
+];
diff --git a/index.html b/index.html
index 0f04736..be1dffb 100644
--- a/index.html
+++ b/index.html
@@ -136,6 +136,7 @@
     </div>
     </div>
 
+    <script src="events.js"></script>
     <script src="script.js"></script>
 </body>
 </html>
diff --git a/script.js b/script.js
index 0021edb..f0ce757 100644
--- a/script.js
+++ b/script.js
@@ -810,6 +810,22 @@ function updateCalendar() {
             <div class="eonstrip-dates">
               ${startDate.toLocaleDateString('en-US', dateOpts)}
             </div>`;
+
+        if (Array.isArray(window.SPECIAL_EVENTS)) {
+            const offsetStart = ((cellCob % COBIE_UNITS.cosmocycle) + COBIE_UNITS.cosmocycle) % COBIE_UNITS.cosmocycle;
+            const offsetEnd = offsetStart + COBIE_UNITS.eonstrip;
+            window.SPECIAL_EVENTS.forEach(ev => {
+                const evCob = parseCobiets(ev.cobie);
+                if (evCob === null) return;
+                const evOffset = ((evCob % COBIE_UNITS.cosmocycle) + COBIE_UNITS.cosmocycle) % COBIE_UNITS.cosmocycle;
+                if (evOffset >= offsetStart && evOffset < offsetEnd) {
+                    const tag = document.createElement('div');
+                    tag.className = 'event-tag';
+                    tag.textContent = ev.label;
+                    card.appendChild(tag);
+                }
+            });
+        }
         const tooltip = document.createElement('div');
         tooltip.className = 'tooltip';
         tooltip.innerHTML = showEonstripDetails(i, cellCob, dateOpts);
diff --git a/style.css b/style.css
index abc62fb..e650381 100644
--- a/style.css
+++ b/style.css
@@ -256,6 +256,19 @@
         line-height: 1.4;
     }
 
+    .event-tag {
+        display: inline-block;
+        margin-top: 4px;
+        padding: 2px 6px;
+        font-size: 0.75em;
+        font-weight: 600;
+        color: #fff;
+        background: linear-gradient(135deg, rgba(0,255,255,0.25), rgba(255,0,255,0.25));
+        border: 1px solid rgba(255,255,255,0.2);
+        border-radius: 4px;
+        text-shadow: 0 0 6px rgba(0,255,255,0.7);
+    }
+
     .time-details {
         background: rgba(255, 255, 255, 0.05);
         border-radius: 10px;