diff --git a/lib/db/services.php b/lib/db/services.php
index d66a827cbdb..50acf7c272c 100644
--- a/lib/db/services.php
+++ b/lib/db/services.php
@@ -1035,6 +1035,7 @@ $services = array(
             'core_completion_update_activity_completion_status_manually',
             'mod_data_get_databases_by_courses',
             'core_comment_get_comments',
+            'mod_forum_view_forum',
             ),
         'enabled' => 0,
         'restrictedusers' => 0,
diff --git a/mod/forum/db/services.php b/mod/forum/db/services.php
index 48da4b8d632..66b5a76ea06 100644
--- a/mod/forum/db/services.php
+++ b/mod/forum/db/services.php
@@ -62,4 +62,13 @@ $functions = array(
         'type' => 'read',
         'capabilities' => 'mod/forum:viewdiscussion, mod/forum:viewqandawithoutposting'
     ),
+
+    'mod_forum_view_forum' => array(
+        'classname' => 'mod_forum_external',
+        'methodname' => 'view_forum',
+        'classpath' => 'mod/forum/externallib.php',
+        'description' => 'Simulate the view.php web interface page: trigger events, completion, etc...',
+        'type' => 'write',
+        'capabilities' => 'mod/forum:viewdiscussion'
+    ),
 );
diff --git a/mod/forum/externallib.php b/mod/forum/externallib.php
index 322bbcc0b81..b275d027c7c 100644
--- a/mod/forum/externallib.php
+++ b/mod/forum/externallib.php
@@ -809,4 +809,67 @@ class mod_forum_external extends external_api {
         );
     }
 
+    /**
+     * Returns description of method parameters
+     *
+     * @return external_function_parameters
+     * @since Moodle 2.9
+     */
+    public static function view_forum_parameters() {
+        return new external_function_parameters(
+            array(
+                'forumid' => new external_value(PARAM_INT, 'forum instance id')
+            )
+        );
+    }
+
+    /**
+     * Simulate the forum/view.php web interface page: trigger events, completion, etc...
+     *
+     * @param int $forumid the forum instance id
+     * @return array of warnings and status result
+     * @since Moodle 2.9
+     * @throws moodle_exception
+     */
+    public static function view_forum($forumid) {
+        global $DB, $CFG;
+        require_once($CFG->dirroot . "/mod/forum/lib.php");
+
+        $params = self::validate_parameters(self::view_forum_parameters(),
+                                            array(
+                                                'forumid' => $forumid
+                                            ));
+        $warnings = array();
+
+        // Request and permission validation.
+        $forum = $DB->get_record('forum', array('id' => $params['forumid']), 'id', MUST_EXIST);
+        list($course, $cm) = get_course_and_cm_from_instance($forum, 'forum');
+
+        $context = context_module::instance($cm->id);
+        self::validate_context($context);
+
+        // Call the forum/lib API.
+        forum_view($forum, $course, $cm, $context);
+
+        $result = array();
+        $result['status'] = true;
+        $result['warnings'] = $warnings;
+        return $result;
+    }
+
+    /**
+     * Returns description of method result value
+     *
+     * @return external_description
+     * @since Moodle 2.9
+     */
+    public static function view_forum_returns() {
+        return new external_single_structure(
+            array(
+                'status' => new external_value(PARAM_BOOL, 'status: true if success'),
+                'warnings' => new external_warnings()
+            )
+        );
+    }
+
 }
diff --git a/mod/forum/lib.php b/mod/forum/lib.php
index c0cb23c9707..613aa741ac9 100644
--- a/mod/forum/lib.php
+++ b/mod/forum/lib.php
@@ -7763,3 +7763,33 @@ function forum_get_context($forumid, $context = null) {
 
     return $context;
 }
+
+/**
+ * Mark the activity completed (if required) and trigger the course_module_viewed event.
+ *
+ * @param  stdClass $forum   forum object
+ * @param  stdClass $course  course object
+ * @param  stdClass $cm      course module object
+ * @param  stdClass $context context object
+ * @since Moodle 2.9
+ */
+function forum_view($forum, $course, $cm, $context) {
+
+    // Completion.
+    $completion = new completion_info($course);
+    $completion->set_module_viewed($cm);
+
+    // Trigger course_module_viewed event.
+
+    $params = array(
+        'context' => $context,
+        'objectid' => $forum->id
+    );
+
+    $event = \mod_forum\event\course_module_viewed::create($params);
+    $event->add_record_snapshot('course_modules', $cm);
+    $event->add_record_snapshot('course', $course);
+    $event->add_record_snapshot('forum', $forum);
+    $event->trigger();
+
+}
diff --git a/mod/forum/tests/lib_test.php b/mod/forum/tests/lib_test.php
index 53c1716d92f..27d23627dcf 100644
--- a/mod/forum/tests/lib_test.php
+++ b/mod/forum/tests/lib_test.php
@@ -1256,6 +1256,45 @@ class mod_forum_lib_testcase extends advanced_testcase {
         }
     }
 
+    public function test_forum_view() {
+        global $CFG;
+
+        $CFG->enablecompletion = 1;
+        $this->resetAfterTest();
+
+        // Setup test data.
+        $course = $this->getDataGenerator()->create_course(array('enablecompletion' => 1));
+        $forum = $this->getDataGenerator()->create_module('forum', array('course' => $course->id),
+                                                            array('completion' => 2, 'completionview' => 1));
+        $context = context_module::instance($forum->cmid);
+        $cm = get_coursemodule_from_instance('forum', $forum->id);
+
+        // Trigger and capture the event.
+        $sink = $this->redirectEvents();
+
+        $this->setAdminUser();
+        forum_view($forum, $course, $cm, $context);
+
+        $events = $sink->get_events();
+        // 2 additional events thanks to completion.
+        $this->assertCount(3, $events);
+        $event = array_pop($events);
+
+        // Checking that the event contains the expected values.
+        $this->assertInstanceOf('\mod_forum\event\course_module_viewed', $event);
+        $this->assertEquals($context, $event->get_context());
+        $url = new \moodle_url('/mod/forum/view.php', array('f' => $forum->id));
+        $this->assertEquals($url, $event->get_url());
+        $this->assertEventContextNotUsed($event);
+        $this->assertNotEmpty($event->get_name());
+
+        // Check completion status.
+        $completion = new completion_info($course);
+        $completiondata = $completion->get_data($cm);
+        $this->assertEquals(1, $completiondata->completionstate);
+
+    }
+
     /**
      * Create a new course, forum, and user with a number of discussions and replies.
      *
diff --git a/mod/forum/version.php b/mod/forum/version.php
index 55b80971f9f..9315fab4712 100644
--- a/mod/forum/version.php
+++ b/mod/forum/version.php
@@ -24,6 +24,6 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2015031200;       // The current module version (Date: YYYYMMDDXX)
+$plugin->version   = 2015031201;       // The current module version (Date: YYYYMMDDXX)
 $plugin->requires  = 2014110400;       // Requires this Moodle version
 $plugin->component = 'mod_forum';      // Full name of the plugin (used for diagnostics)
diff --git a/mod/forum/view.php b/mod/forum/view.php
index 6522d9f1bdc..af2c8d7ffb0 100644
--- a/mod/forum/view.php
+++ b/mod/forum/view.php
@@ -100,18 +100,12 @@
         rss_add_http_header($context, 'mod_forum', $forum, $rsstitle);
     }
 
-    // Mark viewed if required
-    $completion = new completion_info($course);
-    $completion->set_module_viewed($cm);
-
 /// Print header.
 
     $PAGE->set_title($forum->name);
     $PAGE->add_body_class('forumtype-'.$forum->type);
     $PAGE->set_heading($course->fullname);
 
-    echo $OUTPUT->header();
-
 /// Some capability checks.
     if (empty($cm->visible) and !has_capability('moodle/course:viewhiddenactivities', $context)) {
         notice(get_string("activityiscurrentlyhidden"));
@@ -121,6 +115,11 @@
         notice(get_string('noviewdiscussionspermission', 'forum'));
     }
 
+    // Mark viewed and trigger the course_module_viewed event.
+    forum_view($forum, $course, $cm, $context);
+
+    echo $OUTPUT->header();
+
     echo $OUTPUT->heading(format_string($forum->name), 2);
     if (!empty($forum->intro) && $forum->type != 'single' && $forum->type != 'teacher') {
         echo $OUTPUT->box(format_module_intro('forum', $forum, $cm->id), 'generalbox', 'intro');
@@ -129,16 +128,6 @@
 /// find out current groups mode
     groups_print_activity_menu($cm, $CFG->wwwroot . '/mod/forum/view.php?id=' . $cm->id);
 
-    $params = array(
-        'context' => $context,
-        'objectid' => $forum->id
-    );
-    $event = \mod_forum\event\course_module_viewed::create($params);
-    $event->add_record_snapshot('course_modules', $cm);
-    $event->add_record_snapshot('course', $course);
-    $event->add_record_snapshot('forum', $forum);
-    $event->trigger();
-
     $SESSION->fromdiscussion = qualified_me();   // Return here if we post or set subscription etc