diff --git a/kronolith/data.php b/kronolith/data.php
index 61aeeb5ab20..9cfbc5dbd9a 100644
--- a/kronolith/data.php
+++ b/kronolith/data.php
@@ -71,6 +71,7 @@
 
 switch ($actionID) {
 case Horde_Data::IMPORT_FILE:
+case Horde_Data::IMPORT_URL:
     $storage->set('import_cal', Horde_Util::getFormData('importCal'));
     $storage->set('purge', Horde_Util::getFormData('purge'));
     break;
@@ -79,9 +80,15 @@
 if ($import_format) {
     $data = null;
     try {
-        $data = $injector->getInstance('Horde_Core_Factory_Data')->create($import_format, array('cleanup' => array($app_ob, 'cleanupData')));
+        $data = $injector
+            ->getInstance('Horde_Core_Factory_Data')
+            ->create(
+                $import_format,
+                array('cleanup' => array($app_ob, 'cleanupData'))
+            );
 
-        if ($actionID == Horde_Data::IMPORT_FILE) {
+        if ($actionID == Horde_Data::IMPORT_FILE ||
+            $actionID == Horde_Data::IMPORT_URL) {
             $cleanup = true;
             try {
                 if (!in_array($storage->get('import_cal'), array_keys(Kronolith::listCalendars(Horde_Perms::EDIT)))) {
@@ -106,11 +113,21 @@
             $next_step = $data->cleanup();
         } else {
             $notification->push(_("This file format is not supported."), 'horde.error');
-            $next_step = Horde_Data::IMPORT_FILE;
+            $next_step = in_array(
+                $actionID,
+                array(Horde_Data::IMPORT_FILE, Horde_Data::IMPORT_URL)
+            )
+                ? $actionID
+                : Horde_Data::IMPORT_FILE;
         }
     }
 }
 
+if (Horde_Util::getFormData('import_ajax')) {
+    $page_output->includeScriptFiles();
+    $page_output->addInlineScript('(function(window){window.KronolithCore.loading--;if(!window.KronolithCore.loading)window.$(\'kronolithLoading\').hide();})(window.parent)');
+}
+
 /* We have a final result set. */
 if (is_array($next_step)) {
     $events = array();
@@ -211,8 +228,7 @@
                                     $file_types[$storage->get('format')]), 'horde.success');
     }
     if (Horde_Util::getFormData('import_ajax')) {
-        $page_output->includeScriptFiles();
-        $page_output->addInlineScript('(function(window){window.KronolithCore.loading--;if(!window.KronolithCore.loading)window.$(\'kronolithLoading\').hide();window.KronolithCore.loadCalendar(\'' . $type . '\', \'' . $calendar . '\');})(window.parent)');
+        $page_output->addInlineScript('(function(window){window.KronolithCore.loadCalendar(\'' . $type . '\', \'' . $calendar . '\');})(window.parent)');
     }
     $next_step = $data->cleanup();
 }
diff --git a/kronolith/docs/CHANGES b/kronolith/docs/CHANGES
index ef2d3dc35a5..40c866a023b 100644
--- a/kronolith/docs/CHANGES
+++ b/kronolith/docs/CHANGES
@@ -2,6 +2,7 @@
 v4.3.0-git
 ----------
 
+[jan] Add importing of calendar data from a URL.
 
 
 -----------
diff --git a/kronolith/js/kronolith.js b/kronolith/js/kronolith.js
index ae63814dbe3..426d929cd90 100644
--- a/kronolith/js/kronolith.js
+++ b/kronolith/js/kronolith.js
@@ -3769,7 +3769,13 @@ KronolithCore = {
             delete data.calendar;
         }
         if (r.saved) {
-            if ($F('kronolithCalendarinternalImport')) {
+            if ($F('kronolithCalendarinternalImport') ||
+                $F('kronolithCalendarinternalImportUrl')) {
+                $('kronolithCalendarinternalImportAction').setValue(
+                    $F('kronolithCalendarinternalImport')
+                        ? Kronolith.conf.import_file
+                        : Kronolith.conf.import_url
+                );
                 HordeCore.notify(Kronolith.text.import_warning, 'horde.message');
                 this.loading++;
                 $('kronolithLoading').show();
diff --git a/kronolith/lib/Ajax.php b/kronolith/lib/Ajax.php
index 9c9cbd7934c..7edbe762c0c 100644
--- a/kronolith/lib/Ajax.php
+++ b/kronolith/lib/Ajax.php
@@ -97,6 +97,8 @@ protected function _addBaseVars()
                 Horde_Nls::getLangInfo(D_FMT)
             ),
             'time_format' => $prefs->getValue('twentyFour') ? 'HH:mm' : 'hh:mm tt',
+            'import_file' => Horde_Data::IMPORT_FILE,
+            'import_url' => Horde_Data::IMPORT_URL,
             'show_time' => Kronolith::viewShowTime(),
             'default_alarm' => intval($prefs->getValue('default_alarm')),
             'status' => array(
diff --git a/kronolith/package.xml b/kronolith/package.xml
index 776b340c59c..26faa0e4299 100644
--- a/kronolith/package.xml
+++ b/kronolith/package.xml
@@ -33,7 +33,7 @@
  </stability>
  <license uri="http://www.horde.org/licenses/gpl">GPL-2.0</license>
  <notes>
-* 
+* [jan] Add importing of calendar data from a URL.
  </notes>
  <contents>
   <dir baseinstalldir="/" name="/">
@@ -2383,7 +2383,7 @@
    <date>2014-06-04</date>
    <license uri="http://www.horde.org/licenses/gpl">GPL-2.0</license>
    <notes>
-* 
+* [jan] Add importing of calendar data from a URL.
    </notes>
   </release>
  </changelog>
diff --git a/kronolith/templates/chunks/calendar.php b/kronolith/templates/chunks/calendar.php
index f79b2e43931..2e0da91284e 100644
--- a/kronolith/templates/chunks/calendar.php
+++ b/kronolith/templates/chunks/calendar.php
@@ -43,7 +43,7 @@
 <?php if ($file_upload): ?>
 <input type="hidden" id="kronolithCalendarinternalImportCal" name="importCal" />
 <input type="hidden" name="MAX_FILE_SIZE" value="<?php echo $file_upload ?>" />
-<input type="hidden" name="actionID" value="<?php echo Horde_Data::IMPORT_FILE ?>" />
+<input type="hidden" id="kronolithCalendarinternalImportAction" name="actionID" value="<?php echo Horde_Data::IMPORT_FILE ?>" />
 <input type="hidden" name="import_step" value="1" />
 <input type="hidden" name="import_format" value="icalendar" />
 <input type="hidden" name="import_ajax" value="1" />
@@ -144,6 +144,10 @@
     <label for="kronolithCalendarinternalImport"><?php echo _("Import ICS file") ?>:</label>
     <input type="file" id="kronolithCalendarinternalImport" name="import_file" /><br />
   </div>
+  <div>
+    <label for="kronolithCalendarinternalImportURL"><?php echo _("Import ICS URL") ?>:</label>
+    <input type="text" id="kronolithCalendarinternalImportUrl" name="import_url" /><br />
+  </div>
   <div>
     <?php printf(_("Importing should %s %sreplace this calendar%s."),
                  '<input type="checkbox" id="kronolithCalendarinternalImportOver" name="purge" />',