diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -178,6 +178,7 @@
     'AuthManageProvidersCapability' => 'applications/auth/capability/AuthManageProvidersCapability.php',
     'CalendarTimeUtil' => 'applications/calendar/util/CalendarTimeUtil.php',
     'CalendarTimeUtilTestCase' => 'applications/calendar/__tests__/CalendarTimeUtilTestCase.php',
+    'CalendarDefaultEditCapability' => 'applications/calendar/capability/CalendarDefaultEditCapability.php',
     'CelerityAPI' => 'applications/celerity/CelerityAPI.php',
     'CelerityDefaultPostprocessor' => 'applications/celerity/postprocessor/CelerityDefaultPostprocessor.php',
     'CelerityHighContrastPostprocessor' => 'applications/celerity/postprocessor/CelerityHighContrastPostprocessor.php',
@@ -3680,6 +3681,7 @@
     'AuthManageProvidersCapability' => 'PhabricatorPolicyCapability',
     'CalendarTimeUtil' => 'Phobject',
     'CalendarTimeUtilTestCase' => 'PhabricatorTestCase',
+    'CalendarDefaultEditCapability' => 'PhabricatorPolicyCapability',
     'CelerityAPI' => 'Phobject',
     'CelerityDefaultPostprocessor' => 'CelerityPostprocessor',
     'CelerityHighContrastPostprocessor' => 'CelerityPostprocessor',
diff --git a/src/applications/calendar/application/PhabricatorCalendarApplication.php b/src/applications/calendar/application/PhabricatorCalendarApplication.php
--- a/src/applications/calendar/application/PhabricatorCalendarApplication.php
+++ b/src/applications/calendar/application/PhabricatorCalendarApplication.php
@@ -80,6 +80,14 @@
     return $items;
   }
 
+  protected function getCustomCapabilities() {
+    return array(
+      CalendarDefaultEditCapability::CAPABILITY => array(
+	  'caption' => pht('Default edit policy for newly created events.')
+         )
+     );
+  }
+
   public function getMailCommandObjects() {
     return array(
       'event' => array(
diff --git a/src/applications/calendar/capability/CalendarDefaultEditCapability.php b/src/applications/calendar/capability/CalendarDefaultEditCapability.php
new file mode 100644
--- /dev/null
+++ b/src/applications/calendar/capability/CalendarDefaultEditCapability.php
@@ -0,0 +1,11 @@
+<?php
+
+final class CalendarDefaultEditCapability extends PhabricatorPolicyCapability {
+
+  const CAPABILITY = 'calendar.default.edit';
+
+  public function getCapabilityName() {
+    return pht('Default Edit Policy');
+  }
+
+}
diff --git a/src/applications/calendar/storage/PhabricatorCalendarEvent.php b/src/applications/calendar/storage/PhabricatorCalendarEvent.php
--- a/src/applications/calendar/storage/PhabricatorCalendarEvent.php
+++ b/src/applications/calendar/storage/PhabricatorCalendarEvent.php
@@ -66,6 +66,8 @@
       $is_recurring = true;
     }
 
+    $edit_policy = $app->getPolicy(CalendarDefaultEditCapability::CAPABILITY);
+
     return id(new PhabricatorCalendarEvent())
       ->setUserPHID($actor->getPHID())
       ->setIsCancelled(0)
@@ -73,7 +75,7 @@
       ->setIsRecurring($is_recurring)
       ->setIcon(self::DEFAULT_ICON)
       ->setViewPolicy($view_policy)
-      ->setEditPolicy($actor->getPHID())
+      ->setEditPolicy($edit_policy)
       ->setSpacePHID($actor->getDefaultSpacePHID())
       ->attachInvitees(array())
       ->applyViewerTimezone($actor);