diff --git a/modules/monitoring/library/Monitoring/Backend/Ido/Query/DowntimeendhistoryQuery.php b/modules/monitoring/library/Monitoring/Backend/Ido/Query/DowntimeendhistoryQuery.php
new file mode 100644
index 000000000..b08967606
--- /dev/null
+++ b/modules/monitoring/library/Monitoring/Backend/Ido/Query/DowntimeendhistoryQuery.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Icinga\Monitoring\Backend\Ido\Query;
+
+class DowntimeendhistoryQuery extends AbstractQuery
+{
+    protected $columnMap = array(
+        'downtimehistory' => array(
+            'state_time'    => 'actual_end_time',
+            'timestamp'     => 'UNIX_TIMESTAMP(actual_end_time)',
+            'raw_timestamp' => 'actual_end_time',
+            'object_id'     => 'object_id',
+            'type'          => "('dt_end')",
+            'state'         => '(NULL)',
+            'state_type'    => '(NULL)',
+            'output'        => "('[' || author_name || '] ' || comment_data)",
+            'attempt'       => '(NULL)',
+            'max_attempts'  => '(NULL)',
+        )
+    );
+}
+
diff --git a/modules/monitoring/library/Monitoring/Backend/Ido/Query/DowntimestarthistoryQuery.php b/modules/monitoring/library/Monitoring/Backend/Ido/Query/DowntimestarthistoryQuery.php
new file mode 100644
index 000000000..4c4c57880
--- /dev/null
+++ b/modules/monitoring/library/Monitoring/Backend/Ido/Query/DowntimestarthistoryQuery.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Icinga\Monitoring\Backend\Ido\Query;
+
+class DowntimestarthistoryQuery extends AbstractQuery
+{
+    protected $columnMap = array(
+        'downtimehistory' => array(
+            'state_time'    => 'actual_start_time',
+            'timestamp'     => 'UNIX_TIMESTAMP(actual_start_time)',
+            'raw_timestamp' => 'actual_start_time',
+            'object_id'     => 'object_id',
+            'type'          => "('dt_end')",
+            'state'         => '(NULL)',
+            'state_type'    => '(NULL)',
+            'output'        => "('[' || author_name || '] ' || comment_data)",
+            'attempt'       => '(NULL)',
+            'max_attempts'  => '(NULL)',
+        )
+    );
+}
+