diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index f34349fb51..acc96098c7 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -141,6 +141,7 @@
 		<li>[Change] Hide avatar when avatar-type is not allowed (Bug #46785 - Patch by cYbercOsmOnauT and nickvergessen)</li>
 		<li>[Change] INCLUDEPHP not depending on phpbb_root_path (Bug #45805 - Patch by nickvergessen)</li>
 		<li>[Change] Ability to fetch moderators with get_moderators() even if load_moderators setting is off. (Bug #35955)</li>
+		<li>[Change] Add WAI-ARIA landmarks for easier accessibility to the prosilver template (Bug #45715 - Patch by MarcoZ)</li>
 		<li>[Feature] Add confirmation for deactivating styles (Bug #14304 - Patch by leviatan21)</li>
 		<li>[Feature] Backported 3.2 captcha plugins.</li>
 		<li>[Feature] Introduced new ACM plugins:
diff --git a/phpBB/styles/prosilver/template/overall_footer.html b/phpBB/styles/prosilver/template/overall_footer.html
index fd8af31db6..c48ddeb55b 100644
--- a/phpBB/styles/prosilver/template/overall_footer.html
+++ b/phpBB/styles/prosilver/template/overall_footer.html
@@ -1,6 +1,6 @@
 	</div>
 
-<div id="page-footer">
+<div id="page-footer" role="contentinfo">
 
 	<div class="navbar">
 		<div class="inner"><span class="corners-top"><span></span></span>
@@ -18,7 +18,7 @@
 
 		<span class="corners-bottom"><span></span></span></div>
 	</div>
-	
+
 <!--
 	We request you retain the full copyright notice below including the link to www.phpbb.com.
 	This not only gives respect to the large amount of time given freely by the developers
diff --git a/phpBB/styles/prosilver/template/overall_header.html b/phpBB/styles/prosilver/template/overall_header.html
index 5fed304568..52eeffbdb2 100644
--- a/phpBB/styles/prosilver/template/overall_header.html
+++ b/phpBB/styles/prosilver/template/overall_header.html
@@ -28,8 +28,8 @@
 	phpBB style name: prosilver
 	Based on style:   prosilver (this is the default phpBB3 style)
 	Original author:  Tom Beddard ( http://www.subBlue.com/ )
-	Modified by:      
-	
+	Modified by:
+
 	NOTE: This page was generated by phpBB, the free open-source bulletin board package.
 	      The phpBB Group is not responsible for the content of this page and forum. For more information
 	      about phpBB please visit http://www.phpbb.com
@@ -105,7 +105,7 @@
 <div id="wrap">
 	<a id="top" name="top" accesskey="t"></a>
 	<div id="page-header">
-		<div class="headerbar">
+		<div class="headerbar" role="banner">
 			<div class="inner"><span class="corners-top"><span></span></span>
 
 			<div id="site-description">
@@ -116,10 +116,10 @@
 			</div>
 
 		<!-- IF S_DISPLAY_SEARCH and not S_IN_SEARCH -->
-			<div id="search-box">
+			<div id="search-box" role="search">
 				<form action="{U_SEARCH}" method="post" id="search">
 				<fieldset>
-					<input name="keywords" id="keywords" type="text" maxlength="128" title="{L_SEARCH_KEYWORDS}" class="inputbox search" value="<!-- IF SEARCH_WORDS-->{SEARCH_WORDS}<!-- ELSE -->{L_SEARCH_MINI}<!-- ENDIF -->" onclick="if(this.value=='{LA_SEARCH_MINI}')this.value='';" onblur="if(this.value=='')this.value='{LA_SEARCH_MINI}';" /> 
+					<input name="keywords" id="keywords" type="text" maxlength="128" title="{L_SEARCH_KEYWORDS}" class="inputbox search" value="<!-- IF SEARCH_WORDS-->{SEARCH_WORDS}<!-- ELSE -->{L_SEARCH_MINI}<!-- ENDIF -->" onclick="if(this.value=='{LA_SEARCH_MINI}')this.value='';" onblur="if(this.value=='')this.value='{LA_SEARCH_MINI}';" />
 					<input class="button2" value="{L_SEARCH}" type="submit" /><br />
 					<a href="{U_SEARCH}" title="{L_SEARCH_ADV_EXPLAIN}">{L_SEARCH_ADV}</a> {S_SEARCH_HIDDEN_FIELDS}
 				</fieldset>
@@ -130,7 +130,7 @@
 			<span class="corners-bottom"><span></span></span></div>
 		</div>
 
-		<div class="navbar">
+		<div class="navbar" role="navigation">
 			<div class="inner"><span class="corners-top"><span></span></span>
 
 			<ul class="linklist navlinks">
@@ -148,7 +148,7 @@
 			<ul class="linklist leftside">
 				<li class="icon-ucp">
 					<a href="{U_PROFILE}" title="{L_PROFILE}" accesskey="u">{L_PROFILE}</a>
-						<!-- IF S_DISPLAY_PM --> (<a href="{U_PRIVATEMSGS}">{PRIVATE_MESSAGE_INFO}</a>)<!-- ENDIF --> &bull; 
+						<!-- IF S_DISPLAY_PM --> (<a href="{U_PRIVATEMSGS}">{PRIVATE_MESSAGE_INFO}</a>)<!-- ENDIF --> &bull;
 					<a href="{U_SEARCH_SELF}">{L_SEARCH_SELF}</a>
 					<!-- IF U_RESTORE_PERMISSIONS --> &bull;
 					<a href="{U_RESTORE_PERMISSIONS}">{L_RESTORE_PERMISSIONS}</a>
@@ -172,8 +172,8 @@
 	</div>
 
 	<a name="start_here"></a>
-	<div id="page-body">
-		 <!-- IF S_BOARD_DISABLED and S_USER_LOGGED_IN and (U_MCP or U_ACP) --> 
+	<div id="page-body" role="main">
+		 <!-- IF S_BOARD_DISABLED and S_USER_LOGGED_IN and (U_MCP or U_ACP) -->
 		<div id="information" class="rules">
 			<div class="inner"><span class="corners-top"><span></span></span>
 				<strong>{L_INFORMATION}:</strong> {L_BOARD_DISABLED}
diff --git a/phpBB/styles/prosilver/template/search_results.html b/phpBB/styles/prosilver/template/search_results.html
index 86b86e3d94..90e14d2a18 100644
--- a/phpBB/styles/prosilver/template/search_results.html
+++ b/phpBB/styles/prosilver/template/search_results.html
@@ -15,7 +15,7 @@
 	<div class="topic-actions">
 
 	<!-- IF SEARCH_MATCHES -->
-		<div class="search-box">
+		<div class="search-box" role="search">
 			<!-- IF SEARCH_IN_RESULTS -->
 				<label for="add_keywords">{L_SEARCH_IN_RESULTS}: <input type="text" name="add_keywords" id="add_keywords" value="" class="inputbox narrow" /></label>
 				<input type="hidden" name="show_results" value="posts" />
diff --git a/phpBB/styles/prosilver/template/simple_footer.html b/phpBB/styles/prosilver/template/simple_footer.html
index e64e209368..279c0f4980 100644
--- a/phpBB/styles/prosilver/template/simple_footer.html
+++ b/phpBB/styles/prosilver/template/simple_footer.html
@@ -10,7 +10,7 @@
 	The phpBB Group : 2006
 //-->
 
-	<div class="copyright">Powered by <a href="http://www.phpbb.com/">phpBB</a> &copy; 2000, 2002, 2005, 2007 phpBB Group
+	<div class="copyright" role="contentinfo">Powered by <a href="http://www.phpbb.com/">phpBB</a> &copy; 2000, 2002, 2005, 2007 phpBB Group
 		<!-- IF TRANSLATION_INFO --><br />{TRANSLATION_INFO}<!-- ENDIF -->
 		<!-- IF DEBUG_OUTPUT --><br />{DEBUG_OUTPUT}<!-- ENDIF -->
 	</div>
diff --git a/phpBB/styles/prosilver/template/simple_header.html b/phpBB/styles/prosilver/template/simple_header.html
index 0e2409586c..e1e700d48e 100644
--- a/phpBB/styles/prosilver/template/simple_header.html
+++ b/phpBB/styles/prosilver/template/simple_header.html
@@ -69,4 +69,4 @@
 
 <div id="simple-wrap">
 	<a id="top" name="top" accesskey="t"></a>
-	<div id="page-body">
\ No newline at end of file
+	<div id="page-body" role="main">
\ No newline at end of file
diff --git a/phpBB/styles/prosilver/template/viewforum_body.html b/phpBB/styles/prosilver/template/viewforum_body.html
index 23c52a5ee0..8d4ecc6f54 100644
--- a/phpBB/styles/prosilver/template/viewforum_body.html
+++ b/phpBB/styles/prosilver/template/viewforum_body.html
@@ -44,7 +44,7 @@
 	<!-- ENDIF -->
 
 	<!-- IF S_DISPLAY_SEARCHBOX -->
-		<div class="search-box">
+		<div class="search-box" role="search">
 			<form method="post" id="forum-search" action="{S_SEARCHBOX_ACTION}">
 			<fieldset>
 				<input class="inputbox search tiny" type="text" name="keywords" id="search_keywords" size="20" value="{L_SEARCH_FORUM}" onclick="if (this.value == '{LA_SEARCH_FORUM}') this.value = '';" onblur="if (this.value == '') this.value = '{LA_SEARCH_FORUM}';" />
diff --git a/phpBB/styles/prosilver/template/viewtopic_body.html b/phpBB/styles/prosilver/template/viewtopic_body.html
index 9dd80a6896..c1d232eee2 100644
--- a/phpBB/styles/prosilver/template/viewtopic_body.html
+++ b/phpBB/styles/prosilver/template/viewtopic_body.html
@@ -37,7 +37,7 @@
 	</div>
 
 	<!-- IF S_DISPLAY_SEARCHBOX -->
-		<div class="search-box">
+		<div class="search-box" role="search">
 			<form method="post" id="topic-search" action="{S_SEARCHBOX_ACTION}">
 			<fieldset>
 				<input class="inputbox search tiny"  type="text" name="keywords" id="search_keywords" size="20" value="{L_SEARCH_TOPIC}" onclick="if(this.value=='{LA_SEARCH_TOPIC}')this.value='';" onblur="if(this.value=='')this.value='{LA_SEARCH_TOPIC}';" />