diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ad8c8ae..facde8ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# v0.2.10
+##  06/14/2021
+
+1. [](#new)
+    * add config Option to add jquery asset in case the used Theme does not.
+    * add Frontmatter Variable lang to allow override of language for page
+
 # v0.2.9
 ##  05/20/2021
 
diff --git a/README.md b/README.md
index 0ce958d0..a63d12b4 100644
--- a/README.md
+++ b/README.md
@@ -41,10 +41,11 @@ Here is the default configuration and an explanation of available options:
 ```yaml
 
 enabled: true
-colors: #3a87ad # see additional Note on custom colors in the Changelog
+colors: "#3a87ad" # see additional Note on custom colors in the Changelog, be sure to use single or double quotes around list !
 showlegend: false   # set to true to show calendar File Name(s) as Legend below grid
 weekNumbers: false  # set to true to show Week Numbers
 cors_api_url: # the default value is now empty as the formerly used external proxy, https://cors-anywhere.herokuapp.com/ , will no longer work
+addJquery: false # Add Jquery asset in case your Theme does not do this
 
 ```
 
diff --git a/assets/calendar.js b/assets/calendar.js
index 37fd59cc..86f6994c 100644
--- a/assets/calendar.js
+++ b/assets/calendar.js
@@ -2,7 +2,7 @@
 // gets Parameters via DOM, see below
 
 jQuery(document).ready(function () {
-	var verbose = false;
+	var verbose = true;
 	var defaultLocale = 'en';
 	var cfgWeekNums = jQuery('#weeknums').text();	//	get Paramter from DOM
 	weekNums = false;
diff --git a/blueprints.yaml b/blueprints.yaml
index e5bac406..a95b5809 100644
--- a/blueprints.yaml
+++ b/blueprints.yaml
@@ -1,5 +1,5 @@
 name: FullCalendar
-version: 0.2.9
+version: 0.2.10
 description: show Calendar Widget from ICS File(s), based on fullcalendar.io
 icon: calendar
 author:
@@ -46,11 +46,20 @@ form:
             type: text
             size: large
             label: Calendar(s) Colors 
-            help: Comma separated List of valid html Colors, e.g. Red,LightBlue or '#DEFFAB,#GADEEF
+            help: Comma separated List of valid html Colors, e.g. Red,LightBlue or '#DEFFAB,#GADEEF'
         cors_api_url:
             type: text
             size: large
             label: local Cors API URL
             default: 
             help: leave this empty if you are not sure - it will be evaluated automatically and mostly work ! - see README
+        addJquery:
+            type: toggle
+            label: Add Jquery
+            help: Add Jquery asset in case your Theme does not do this
+            highlight: 1
+            default: 0
+            options:
+                1: Enabled
+                0: Disabled
         
\ No newline at end of file
diff --git a/fullcalendar.php b/fullcalendar.php
index 78bdeb5d..c519de7a 100644
--- a/fullcalendar.php
+++ b/fullcalendar.php
@@ -43,6 +43,9 @@ private function addAssets()
 	{
 		/** @var Assets */
 		$assets = $this->grav['assets'];
+		$config = $this->config->get('plugins.fullcalendar');
+		if ($config['addJquery'])
+			$assets->add('jquery', 100);	// add jquery on demand (in case Theme does not do this)
 		$assets->addJs('plugins://' . $this->name . '/assets/jquery.ajax-cross-origin.min.js', ['group' => 'bottom']);   // 12.05.21  -   so gehts !!!
 		$assets->addJs('plugins://' . $this->name . '/assets/ical.js/build/ical.min.js', ['group' => 'bottom']);   // see also reamde.txt file there
 		// for Tooltip: 
@@ -60,7 +63,21 @@ private function addAssets()
 		$assets->addJs('plugins://' . $this->name . '/assets/calendar.js', ['group' => 'bottom']);
 		$assets->addCss('plugins://' . $this->name . '/assets/daygrid.css');	// default CSS for #calendar
 		$language = $this->grav['language']->getLanguage();
+		//	dump($language);
 		$assets->addJs('plugins://' . $this->name . '/fc4/packages/core/locales/'.$language.'.js', ['group' => 'bottom']);
+		$languages = $this->config->get('system.languages.supported');
+		//	$languages = ['en','it'];
+		//	dump($languages);
+		foreach ($languages as $lang)	{
+			//	dump($lang);
+			if ($lang != $language)	{
+				$asset = 'plugins://' . $this->name . '/fc4/packages/core/locales/'.$lang.'.js';
+				//	dump($asset);
+				$assets->addJs('plugins://' . $this->name . '/fc4/packages/core/locales/'.$lang.'.js', ['group' => 'bottom']);
+			}
+		}
+		/*
+		*/
 	}
 	
 	public function onTwigTemplatePaths()
diff --git a/templates/calendar.html.twig b/templates/calendar.html.twig
index bd19e63a..bc93bddc 100644
--- a/templates/calendar.html.twig
+++ b/templates/calendar.html.twig
@@ -29,6 +29,17 @@
 			{% if (num_mpics|int) >= 12 %} {# 12 pics sollten für 1 Jahr reichen :-) #}
 				<div id='actMonth'></div>
 			{% endif %}
+
+			{% set lang = grav.language.getLanguage   %}
+			{#
+			<span>{{ lang }}</span>
+			<span>{{ page.header.lang }}</span>
+			#}
+			{% if page.header.lang|length > 0   %}
+				{% set lang = page.header.lang    %}
+			{% endif %}
+			<div id='cfgLocale' style='display:none;'>{{ lang }}</div>
+
 			{% if (numcalendars|int) > 0 %} {# write local page calendars to DOM, json encoded #}
 				<div id='pagecalendars' style='display:none;'>{{ calendars|json_encode() }}</div>
 			{% endif %}
diff --git a/templates/partials/fullcalendar.html.twig b/templates/partials/fullcalendar.html.twig
index a6e411a8..f79c5941 100644
--- a/templates/partials/fullcalendar.html.twig
+++ b/templates/partials/fullcalendar.html.twig
@@ -7,6 +7,7 @@
 <div id='cfgFilestring' style='display:none;'>{{ icsfile }}</div>
 <div id='BgColstring' style='display:none;'>{{ config.plugins.fullcalendar.colors }}</div>
 <div id='CorsUrl' style='display:none;'>{{ config.plugins.fullcalendar.cors_api_url }}</div>
-<div id='cfgLocale' style='display:none;'>{{ grav.language.getLanguage }}</div>
+{#  hat keinen Zugriff auf page header !!!
+#}
 <div id='showlegend' style='display:none;'>{{ config.plugins.fullcalendar.showlegend }}</div>
 <div id='tzoffset' style='display:none;'>{{ config.plugins.fullcalendar.tz_offset }}</div>