diff --git a/Config.php b/Config.php
index 02c04b5..1f02c33 100644
--- a/Config.php
+++ b/Config.php
@@ -10,18 +10,18 @@
  * http://opensource.org/licenses/osl-3.0.php
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
- * to license@magentocommerce.com so we can send you a copy immediately.
+ * to license@magento.com so we can send you a copy immediately.
  *
  * DISCLAIMER
  *
  * Do not edit or add to this file if you wish to upgrade Magento to newer
  * versions in the future. If you wish to customize Magento for your
- * needs please refer to http://www.magentocommerce.com for more information.
+ * needs please refer to http://www.magento.com for more information.
  *
  * @category    Mage
  * @package     Mage_Core
- * @copyright   Copyright (c) 2014 Magento Inc. (http://www.magentocommerce.com)
- * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ * @copyright  Copyright (c) 2006-2016 X.commerce, Inc. and affiliates (http://www.magento.com)
+ * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
  */
 
 
@@ -466,8 +466,6 @@ public function saveCache($tags=array())
             return $this;
         }
 
-        $this->_saveCache(time(), $cacheLockId, array(), 60);
-
         if (!empty($this->_cacheSections)) {
             $xml = clone $this->_xml;
             foreach ($this->_cacheSections as $sectionName => $level) {
@@ -476,17 +474,16 @@ public function saveCache($tags=array())
             }
             $this->_cachePartsForSave[$this->getCacheId()] = $xml->asNiceXml('', false);
         } else {
-            parent::saveCache($tags);
-            $this->_removeCache($cacheLockId);
-            return $this;
+            return parent::saveCache($tags);
         }
 
+        $this->_saveCache(time(), $cacheLockId, array(), 60);
+        $this->removeCache();
         foreach ($this->_cachePartsForSave as $cacheId => $cacheData) {
             $this->_saveCache($cacheData, $cacheId, $tags, $this->getCacheLifetime());
         }
         unset($this->_cachePartsForSave);
         $this->_removeCache($cacheLockId);
-
         return $this;
     }
 
@@ -971,6 +968,12 @@ public function loadModulesConfiguration($fileName, $mergeToObject = null, $merg
                 foreach ($fileName as $configFile) {
                     $configFile = $this->getModuleDir('etc', $modName).DS.$configFile;
                     if ($mergeModel->loadFile($configFile)) {
+
+                        $this->_makeEventsLowerCase(Mage_Core_Model_App_Area::AREA_GLOBAL, $mergeModel);
+                        $this->_makeEventsLowerCase(Mage_Core_Model_App_Area::AREA_FRONTEND, $mergeModel);
+                        $this->_makeEventsLowerCase(Mage_Core_Model_App_Area::AREA_ADMIN, $mergeModel);
+                        $this->_makeEventsLowerCase(Mage_Core_Model_App_Area::AREA_ADMINHTML, $mergeModel);
+
                         $mergeToObject->extend($mergeModel, true);
                     }
                 }
@@ -1169,7 +1172,7 @@ public function loadEventObservers($area)
         }
 
         foreach ($events as $event) {
-            $eventName = $event->getName();
+            $eventName = strtolower($event->getName());
             $observers = $event->observers->children();
             foreach ($observers as $observer) {
                 switch ((string)$observer->type) {
@@ -1646,4 +1649,42 @@ public function getResourceModelClassName($modelClass)
         }
         return false;
     }
+
+    /**
+     * Makes all events to lower-case
+     *
+     * @param string $area
+     * @param Mage_Core_Model_Config_Base $mergeModel
+     */
+    protected function _makeEventsLowerCase($area, Mage_Core_Model_Config_Base $mergeModel)
+    {
+        $events = $mergeModel->getNode($area . "/" . Mage_Core_Model_App_Area::PART_EVENTS);
+        if ($events !== false) {
+            $children = clone $events->children();
+            /** @var Mage_Core_Model_Config_Element $event */
+            foreach ($children as $event) {
+                if ($this->_isNodeNameHasUpperCase($event)) {
+                    $oldName = $event->getName();
+                    $newEventName = strtolower($oldName);
+                    if (!isset($events->$newEventName)) {
+                        /** @var Mage_Core_Model_Config_Element $newNode */
+                        $newNode = $events->addChild($newEventName, $event);
+                        $newNode->extend($event);
+                    }
+                    unset($events->$oldName);
+                }
+            }
+        }
+    }
+
+    /**
+     * Checks is event name has upper-case letters
+     *
+     * @param Mage_Core_Model_Config_Element $event
+     * @return bool
+     */
+    protected function _isNodeNameHasUpperCase(Mage_Core_Model_Config_Element $event)
+    {
+        return (strtolower($event->getName()) !== (string)$event->getName());
+    }
 }