diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/Entity/Term.php b/core/modules/taxonomy/lib/Drupal/taxonomy/Entity/Term.php
index 9dd69d7..b2cea6f 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/Entity/Term.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/Entity/Term.php
@@ -123,6 +123,13 @@ class Term extends EntityNG implements TermInterface {
   public $parent;
 
   /**
+   * The Unix timestamp when the term was most recently saved.
+   *
+   * @var \Drupal\Core\Entity\Field\FieldInterface
+   */
+  public $changed;
+
+  /**
    * Implements Drupal\Core\Entity\EntityInterface::id().
    */
   public function id() {
@@ -176,6 +183,14 @@ public static function postDelete(EntityStorageControllerInterface $storage_cont
   /**
    * {@inheritdoc}
    */
+  public function preSave(EntityStorageControllerInterface $storage_controller) {
+    // Before saving the term, set changed time.
+    $this->changed->value = REQUEST_TIME;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
   public function postSave(EntityStorageControllerInterface $storage_controller, $update = TRUE) {
     // Only change the parents if a value is set, keep the existing values if
     // not.
@@ -185,4 +200,11 @@ public function postSave(EntityStorageControllerInterface $storage_controller, $
     }
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function getChangedTime() {
+    return $this->changed->value;
+  }
+
 }
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/TermInterface.php b/core/modules/taxonomy/lib/Drupal/taxonomy/TermInterface.php
index f9bb432..fa4b4ca 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/TermInterface.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/TermInterface.php
@@ -14,4 +14,12 @@
  */
 interface TermInterface extends ContentEntityInterface {
 
+  /**
+   * Returns the term modification timestamp.
+   *
+   * @return int
+   *   Term modification timestamp.
+   */
+  public function getChangedTime();
+
 }
diff --git a/core/modules/taxonomy/taxonomy.install b/core/modules/taxonomy/taxonomy.install
index 4d4c952..c214974 100644
--- a/core/modules/taxonomy/taxonomy.install
+++ b/core/modules/taxonomy/taxonomy.install
@@ -78,6 +78,12 @@ function taxonomy_schema() {
         'default' => 0,
         'description' => 'The weight of this term in relation to other terms.',
       ),
+      'changed' => array(
+        'description' => 'The Unix timestamp when the term was most recently saved.',
+        'type' => 'int',
+        'not null' => TRUE,
+        'default' => 0,
+      ),
     ),
     'primary key' => array('tid'),
     'unique keys' => array(