diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
index 7caa1ae8dc..6209a98ac5 100644
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1974,10 +1974,12 @@ phutil_register_library_map(array(
     'ReleephProjectController' => 'applications/releeph/controller/ReleephProjectController.php',
     'ReleephProjectCreateController' => 'applications/releeph/controller/project/ReleephProjectCreateController.php',
     'ReleephProjectEditController' => 'applications/releeph/controller/project/ReleephProjectEditController.php',
+    'ReleephProjectHistoryController' => 'applications/releeph/controller/project/ReleephProjectHistoryController.php',
     'ReleephProjectListController' => 'applications/releeph/controller/project/ReleephProjectListController.php',
     'ReleephProjectQuery' => 'applications/releeph/query/ReleephProjectQuery.php',
     'ReleephProjectSearchEngine' => 'applications/releeph/query/ReleephProjectSearchEngine.php',
     'ReleephProjectTransaction' => 'applications/releeph/storage/ReleephProjectTransaction.php',
+    'ReleephProjectTransactionQuery' => 'applications/releeph/query/ReleephProjectTransactionQuery.php',
     'ReleephProjectViewController' => 'applications/releeph/controller/project/ReleephProjectViewController.php',
     'ReleephReasonFieldSpecification' => 'applications/releeph/field/specification/ReleephReasonFieldSpecification.php',
     'ReleephRequest' => 'applications/releeph/storage/ReleephRequest.php',
@@ -4160,6 +4162,7 @@ phutil_register_library_map(array(
     'ReleephProjectController' => 'ReleephController',
     'ReleephProjectCreateController' => 'ReleephProjectController',
     'ReleephProjectEditController' => 'ReleephProjectController',
+    'ReleephProjectHistoryController' => 'ReleephProjectController',
     'ReleephProjectListController' =>
     array(
       0 => 'ReleephController',
@@ -4168,6 +4171,7 @@ phutil_register_library_map(array(
     'ReleephProjectQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
     'ReleephProjectSearchEngine' => 'PhabricatorApplicationSearchEngine',
     'ReleephProjectTransaction' => 'PhabricatorApplicationTransaction',
+    'ReleephProjectTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
     'ReleephProjectViewController' =>
     array(
       0 => 'ReleephProjectController',
diff --git a/src/applications/releeph/application/PhabricatorApplicationReleeph.php b/src/applications/releeph/application/PhabricatorApplicationReleeph.php
index 138003bcb7..593ec88108 100644
--- a/src/applications/releeph/application/PhabricatorApplicationReleeph.php
+++ b/src/applications/releeph/application/PhabricatorApplicationReleeph.php
@@ -42,6 +42,7 @@ final class PhabricatorApplicationReleeph extends PhabricatorApplication {
             'edit/' => 'ReleephProjectEditController',
             'cutbranch/' => 'ReleephBranchCreateController',
             'action/(?P<action>.+)/' => 'ReleephProjectActionController',
+            'history/' => 'ReleephProjectHistoryController',
           ),
         ),
         'branch/' => array(
diff --git a/src/applications/releeph/controller/project/ReleephProjectHistoryController.php b/src/applications/releeph/controller/project/ReleephProjectHistoryController.php
new file mode 100644
index 0000000000..e9df27f01c
--- /dev/null
+++ b/src/applications/releeph/controller/project/ReleephProjectHistoryController.php
@@ -0,0 +1,50 @@
+<?php
+
+final class ReleephProjectHistoryController extends ReleephProjectController {
+
+  private $id;
+
+  public function willProcessRequest(array $data) {
+    $this->id = $data['projectID'];
+    parent::willProcessRequest($data);
+  }
+
+  public function processRequest() {
+    $request = $this->getRequest();
+    $viewer = $request->getUser();
+
+    $project = id(new ReleephProjectQuery())
+      ->setViewer($viewer)
+      ->withIDs(array($this->id))
+      ->executeOne();
+    if (!$project) {
+      return new Aphront404Response();
+    }
+
+    $xactions = id(new ReleephProjectTransactionQuery())
+      ->setViewer($viewer)
+      ->withObjectPHIDs(array($project->getPHID()))
+      ->execute();
+
+    $timeline = id(new PhabricatorApplicationTransactionView())
+      ->setUser($viewer)
+      ->setObjectPHID($project->getPHID())
+      ->setTransactions($xactions);
+
+    $crumbs = $this->buildApplicationCrumbs();
+    $crumbs->addCrumb(
+      id(new PhabricatorCrumbView())
+        ->setName(pht('History')));
+
+    return $this->buildApplicationPage(
+      array(
+        $crumbs,
+        $timeline,
+      ),
+      array(
+        'title' => pht('Project History'),
+        'device' => true,
+      ));
+  }
+
+}
diff --git a/src/applications/releeph/controller/project/ReleephProjectViewController.php b/src/applications/releeph/controller/project/ReleephProjectViewController.php
index 8bab38551d..1b46f8a62a 100644
--- a/src/applications/releeph/controller/project/ReleephProjectViewController.php
+++ b/src/applications/releeph/controller/project/ReleephProjectViewController.php
@@ -184,6 +184,8 @@ final class ReleephProjectViewController extends ReleephProjectController
     $reactivate_uri = "project/{$id}/action/activate/";
     $reactivate_uri = $this->getApplicationURI($reactivate_uri);
 
+    $history_uri = $this->getApplicationURI("project/{$id}/history/");
+
     $actions->addAction(
       id(new PhabricatorActionView())
         ->setName(pht('Edit Project'))
@@ -212,6 +214,11 @@ final class ReleephProjectViewController extends ReleephProjectController
           ->setWorkflow(true));
     }
 
+    $actions->addAction(
+      id(new PhabricatorActionView())
+        ->setName(pht('View History'))
+        ->setHref($history_uri)
+        ->setIcon('transcript'));
 
     $properties = id(new PhabricatorPropertyListView())
       ->setUser($viewer)
diff --git a/src/applications/releeph/query/ReleephProjectTransactionQuery.php b/src/applications/releeph/query/ReleephProjectTransactionQuery.php
new file mode 100644
index 0000000000..f7a6998ae6
--- /dev/null
+++ b/src/applications/releeph/query/ReleephProjectTransactionQuery.php
@@ -0,0 +1,10 @@
+<?php
+
+final class ReleephProjectTransactionQuery
+  extends PhabricatorApplicationTransactionQuery {
+
+  public function getTemplateApplicationTransaction() {
+    return new ReleephProjectTransaction();
+  }
+
+}
diff --git a/src/applications/transactions/storage/PhabricatorApplicationTransaction.php b/src/applications/transactions/storage/PhabricatorApplicationTransaction.php
index f6376f7c2b..b9e348c0b5 100644
--- a/src/applications/transactions/storage/PhabricatorApplicationTransaction.php
+++ b/src/applications/transactions/storage/PhabricatorApplicationTransaction.php
@@ -30,9 +30,12 @@ abstract class PhabricatorApplicationTransaction
   private $transactionGroup = array();
 
   abstract public function getApplicationTransactionType();
-  abstract public function getApplicationTransactionCommentObject();
   abstract public function getApplicationObjectTypeName();
 
+  public function getApplicationTransactionCommentObject() {
+    throw new Exception("Not implemented!");
+  }
+
   public function getApplicationTransactionViewObject() {
     return new PhabricatorApplicationTransactionView();
   }