diff --git a/phpBB/docs/events.md b/phpBB/docs/events.md
index 20f8a45ec4..b28cb7e3a1 100644
--- a/phpBB/docs/events.md
+++ b/phpBB/docs/events.md
@@ -1289,6 +1289,52 @@ ucp_main_front_user_activity_before
 * Since: 3.1.6-RC1
 * Purpose: Add content right before the user activity info viewing UCP front page
 
+ucp_pm_history_post_buttons_after
+===
+* Locations:
+    + styles/prosilver/template/ucp_pm_history.html
+* Since: 3.1.6-RC1
+* Purpose: Add post button to private messages in history review (next to quote etc), at
+the end of the list.
+
+ucp_pm_history_post_buttons_before
+===
+* Locations:
+    + styles/prosilver/template/ucp_pm_history.html
+* Since: 3.1.6-RC1
+* Purpose: Add post button to private messages in history review (next to quote etc), at
+the start of the list.
+
+ucp_pm_history_post_buttons_list_after
+===
+* Locations:
+    + styles/prosilver/template/ucp_pm_history.html
+* Since: 3.1.6-RC1
+* Purpose: Add post button custom list to private messages in history review (next to quote etc),
+after the original list.
+
+ucp_pm_history_post_buttons_list_before
+===
+* Locations:
+    + styles/prosilver/template/ucp_pm_history.html
+* Since: 3.1.6-RC1
+* Purpose: Add post button custom list to private messages in history review (next to quote etc),
+before the original list.
+
+ucp_pm_history_review_after
+===
+* Locations:
+    + styles/prosilver/template/ucp_pm_history.html
+* Since: 3.1.6-RC1
+* Purpose: Add content after the private messages history review.
+
+ucp_pm_history_review_before
+===
+* Locations:
+    + styles/prosilver/template/ucp_pm_history.html
+* Since: 3.1.6-RC1
+* Purpose: Add content before the private messages history review.
+
 ucp_pm_viewmessage_avatar_after
 ===
 * Locations:
diff --git a/phpBB/styles/prosilver/template/ucp_pm_history.html b/phpBB/styles/prosilver/template/ucp_pm_history.html
index 8f7b4fdb3e..f4dc1c3b34 100644
--- a/phpBB/styles/prosilver/template/ucp_pm_history.html
+++ b/phpBB/styles/prosilver/template/ucp_pm_history.html
@@ -4,6 +4,7 @@
 	{L_MESSAGE_HISTORY}{L_COLON}
 </h3>
 
+<!-- EVENT ucp_pm_history_review_before -->
 <div id="topicreview">
 	<script type="text/javascript">
 	// <![CDATA[
@@ -17,15 +18,22 @@
 		<div class="postbody" id="pr{history_row.MSG_ID}">
 			<h3><a href="{history_row.U_VIEW_MESSAGE}" <!-- IF history_row.S_CURRENT_MSG -->class="current"<!-- ENDIF -->>{history_row.SUBJECT}</a></h3>
 
-			<!-- IF history_row.U_QUOTE or history_row.MESSAGE_AUTHOR_QUOTE -->
+			<!-- DEFINE $SHOW_PM_HISTORY_POST_BUTTONS = (history_row.U_QUOTE or history_row.MESSAGE_AUTHOR_QUOTE) -->
+			<!-- EVENT ucp_pm_history_post_buttons_list_before -->
+			<!-- IF $SHOW_PM_HISTORY_POST_BUTTONS -->
 			<ul class="post-buttons">
+				<!-- EVENT ucp_pm_history_post_buttons_before -->
+				<!-- IF history_row.U_QUOTE or history_row.MESSAGE_AUTHOR_QUOTE -->
 				<li>
 					<a <!-- IF history_row.U_QUOTE -->href="{history_row.U_QUOTE}"<!-- ELSE -->href="#postingbox" onclick="addquote({history_row.MSG_ID}, '{history_row.MESSAGE_AUTHOR_QUOTE}', '{LA_WROTE}', {time:{history_row.MESSAGE_TIME},user_id:{history_row.USER_ID}});"<!-- ENDIF --> title="{L_QUOTE} {history_row.MESSAGE_AUTHOR}" class="button icon-button quote-icon">
 						<span>{L_QUOTE} {history_row.MESSAGE_AUTHOR}</span>
 					</a>
 				</li>
+				<!-- ENDIF -->
+				<!-- EVENT ucp_pm_history_post_buttons_after -->
 			</ul>
 			<!-- ENDIF -->
+			<!-- EVENT ucp_pm_history_post_buttons_list_after -->
 
 			<p class="author">{history_row.MINI_POST_IMG} {L_SENT_AT}{L_COLON} <strong>{history_row.SENT_DATE}</strong><br />
 				{L_MESSAGE_BY_AUTHOR} {history_row.MESSAGE_AUTHOR_FULL}</p>
@@ -37,6 +45,7 @@
 	</div>
 	<!-- END history_row -->
 </div>
+<!-- EVENT ucp_pm_history_review_after -->
 
 <hr />
 <p><a href="#cp-main" class="top2">{L_BACK_TO_TOP}</a></p>