diff --git a/plugins/Event/EventPlugin.php b/plugins/Event/EventPlugin.php
index c1c8ec77c3..c49103be77 100644
--- a/plugins/Event/EventPlugin.php
+++ b/plugins/Event/EventPlugin.php
@@ -311,7 +311,7 @@ class EventPlugin extends MicroappPlugin
 
     function onEndShowScripts($action)
     {
-        $action->script($this->path('event.js'));
+        $action->script($this->path('js/event.js'));
     }
 
     function onEndShowStyles($action)
diff --git a/plugins/Event/classes/Happening.php b/plugins/Event/classes/Happening.php
index 2b097e9077..3a094ece6c 100644
--- a/plugins/Event/classes/Happening.php
+++ b/plugins/Event/classes/Happening.php
@@ -149,16 +149,17 @@ class Happening extends Managed_DataObject
                            $location,
                            $description);
 
-        // TRANS: Rendered event description. %1$s is a title, %2$s is start time, %3$s is start time,
+        // TRANS: Rendered microformats2 tagged event description.
+        // TRANS: %1$s is a title, %2$s is start time, %3$s is start time,
         // TRANS: %4$s is end time, %5$s is end time, %6$s is location, %7$s is description.
         // TRANS: Class names should not be translated.
-        $rendered = sprintf(_m('<span class="vevent">'.
-                              '<span class="summary">%1$s</span> '.
-                              '<abbr class="dtstart" title="%2$s">%3$s</a> - '.
-                              '<abbr class="dtend" title="%4$s">%5$s</a> '.
-                              '(<span class="location">%6$s</span>): '.
-                              '<span class="description">%7$s</span> '.
-                              '</span>'),
+        $rendered = sprintf(_m('<div class="h-event">'.
+                              '<p class="p-name p-summary">%1$s</p> '.
+                              '<time class="dt-start" datetime="%2$s">%3$s</time> - '.
+                              '<time class="dt-end" datetime="%4$s">%5$s</time> '.
+                              '(<span class="p-location">%6$s</span>): '.
+                              '<div class="p-description">%7$s</div> '.
+                              '</div>'),
                             htmlspecialchars($title),
                             htmlspecialchars(common_date_iso8601($ev->start_time)),
                             htmlspecialchars(common_exact_date($ev->start_time)),
@@ -187,6 +188,20 @@ class Happening extends Managed_DataObject
         return $saved;
     }
 
+    /**
+     * Returns the profile's canonical url, not necessarily a uri/unique id
+     *
+     * @return string $url
+     */
+    public function getUrl()
+    {
+        if (empty($this->url) ||
+                !filter_var($this->url, FILTER_VALIDATE_URL)) {
+            throw new InvalidUrlException($this->url);
+        }
+        return $this->url;
+    }
+
     function getNotice()
     {
         return Notice::getKV('uri', $this->uri);
diff --git a/plugins/Event/css/event.css b/plugins/Event/css/event.css
index 37561c397d..e50201a447 100644
--- a/plugins/Event/css/event.css
+++ b/plugins/Event/css/event.css
@@ -6,8 +6,6 @@
 .event-notice-count { float: right; }
 .event-info { float: left; }
 .event-title { margin-left: 0px; }
-#content .event .h-entry { margin-left: 0px; }
-#content .event .e-content { margin-left: 0px; }
 .ui-autocomplete {
     max-height: 100px;
     overflow-y: auto;
@@ -37,7 +35,7 @@ li.rsvp-list .entities li .u-photo {
     float: none !important;
 }
 
-.notice .vevent div {
+.notice .h-event div {
     margin-bottom: 8px;
 }
 
@@ -94,7 +92,7 @@ li.rsvp-list .entities li .u-photo {
     background: linear-gradient(top, #fb6104 0%,#fc8035 100%);
 }
 
-#wrap .vevent form.processing input.submit {
+#wrap .h-event form.processing input.submit {
     text-indent: 0;
     background: #ff9d63;
 }
diff --git a/plugins/Event/event.js b/plugins/Event/js/event.js
similarity index 100%
rename from plugins/Event/event.js
rename to plugins/Event/js/event.js
diff --git a/plugins/Event/lib/eventlistitem.php b/plugins/Event/lib/eventlistitem.php
index 54f069233f..cd28ce86e3 100644
--- a/plugins/Event/lib/eventlistitem.php
+++ b/plugins/Event/lib/eventlistitem.php
@@ -66,16 +66,14 @@ class EventListItem extends NoticeListItemAdapter
             return;
         }
 
-        $out->elementStart('div', 'vevent event e-content'); // VEVENT IN
+        // e-content since we're part of a h-entry
+        $out->elementStart('div', 'h-event e-content'); // VEVENT IN
 
-        $out->elementStart('h3', 'summary');  // VEVENT/H3 IN
+        $out->elementStart('h3', 'p-summary p-name');  // VEVENT/H3 IN
 
-        if (!empty($event->url)) {
-            $out->element('a',
-                          array('href' => $event->url,
-                                'class' => 'event-title entry-title summary'),
-                          $event->title);
-        } else {
+        try {
+            $out->element('a', array('href' => $event->getUrl()), $event->title);
+        } catch (InvalidUrlException $e) {
             $out->text($event->title);
         }
 
@@ -114,19 +112,15 @@ class EventListItem extends NoticeListItemAdapter
         // TRANS: Field label for event description.
         $out->element('strong', null, _m('Time:'));
 
-        $out->element('abbr', array('class' => 'dtstart',
-                                    'title' => common_date_iso8601($event->start_time)),
+        $out->element('time', array('class' => 'dt-start',
+                                    'datetime' => common_date_iso8601($event->start_time)),
                       $startDateStr . ' ' . $startTimeStr);
         $out->text(' – ');
-        if ($startDateStr == $endDateStr) {
-            $out->element('span', array('class' => 'dtend',
-                                        'title' => common_date_iso8601($event->end_time)),
-                          $endTimeStr);
-        } else {
-            $out->element('span', array('class' => 'dtend',
-                                        'title' => common_date_iso8601($event->end_time)),
-                          $endDateStr . ' ' . $endTimeStr);
-        }
+        $out->element('time', array('class' => 'dt-end',
+                                    'datetime' => common_date_iso8601($event->end_time)),
+                      $startDateStr == $endDateStr
+                                    ? "$endDatestr $endTimeStr"
+                                    :  $endTimeStr);
 
         $out->elementEnd('div'); // VEVENT/EVENT-TIMES OUT
 
@@ -134,7 +128,7 @@ class EventListItem extends NoticeListItemAdapter
             $out->elementStart('div', 'event-location');
             // TRANS: Field label for event description.
             $out->element('strong', null, _m('Location:'));
-            $out->element('span', 'location', $event->location);
+            $out->element('span', 'p-location', $event->location);
             $out->elementEnd('div');
         }
 
@@ -142,22 +136,21 @@ class EventListItem extends NoticeListItemAdapter
             $out->elementStart('div', 'event-description');
             // TRANS: Field label for event description.
             $out->element('strong', null, _m('Description:'));
-            $out->element('span', 'description', $event->description);
+            $out->element('div', 'p-description', $event->description);
             $out->elementEnd('div');
         }
 
         $rsvps = $event->getRSVPs();
 
         $out->elementStart('div', 'event-rsvps');
-        // TRANS: Field label for event description.
 
-        $out->text(_('Attending:'));
+        // TRANS: Field label for event description.
+        $out->element('strong', null, _m('Attending:'));
         $out->elementStart('ul', 'attending-list');
 
         foreach ($rsvps as $verb => $responses) {
             $out->elementStart('li', 'rsvp-list');
-            switch ($verb)
-            {
+            switch ($verb) {
             case RSVP::POSITIVE:
                 $out->text(_('Yes:'));
                 break;
@@ -173,9 +166,7 @@ class EventListItem extends NoticeListItemAdapter
                 $ids[] = $response->profile_id;
             }
             $ids = array_slice($ids, 0, ProfileMiniList::MAX_PROFILES + 1);
-            $profiles = Profile::pivotGet('id', $ids);
-            $profile  = new ArrayWrapper(array_values($profiles));
-            $minilist = new ProfileMiniList($profile, $out);
+            $minilist = new ProfileMiniList(Profile::multiGet('id', $ids), $out);
             $minilist->show();
 
             $out->elementEnd('li');