diff --git a/library/Icingadb/Model/SlaHistoryDowntime.php b/library/Icingadb/Model/SlaHistoryDowntime.php
new file mode 100644
index 00000000..1fb5e948
--- /dev/null
+++ b/library/Icingadb/Model/SlaHistoryDowntime.php
@@ -0,0 +1,75 @@
+<?php
+
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Model;
+
+use ipl\Orm\Behavior\Binary;
+use ipl\Orm\Behavior\MillisecondTimestamp;
+use ipl\Orm\Behaviors;
+use ipl\Orm\Model;
+use ipl\Orm\Relations;
+
+/**
+ * Model for table `sla_history_downtime`
+ *
+ * @property string $environment_id
+ * @property ?string $endpoint_id
+ * @property string $object_type
+ * @property string $host_id
+ * @property ?string $service_id
+ * @property string $downtime_id
+ * @property string $downtime_start
+ * @property string $downtime_end
+ */
+class SlaHistoryDowntime extends Model
+{
+    public function getTableName()
+    {
+        return 'sla_history_downtime';
+    }
+
+    public function getKeyName()
+    {
+        return ['host_id', 'service_id'];
+    }
+
+    public function getColumns()
+    {
+        return [
+            'environment_id',
+            'endpoint_id',
+            'object_type',
+            'host_id',
+            'service_id',
+            'downtime_id',
+            'downtime_start',
+            'downtime_end'
+        ];
+    }
+
+    public function createBehaviors(Behaviors $behaviors)
+    {
+        $behaviors->add(new MillisecondTimestamp([
+            'downtime_start',
+            'downtime_end'
+        ]));
+
+        $behaviors->add(new Binary([
+            'environment_id',
+            'endpoint_id',
+            'host_id',
+            'service_id',
+            'downtime_id'
+        ]));
+    }
+
+    public function createRelations(Relations $relations)
+    {
+        $relations->belongsTo('endpoint', Endpoint::class);
+        $relations->belongsTo('environment', Environment::class);
+        $relations->belongsTo('host', Host::class)->setJoinType('LEFT');
+        $relations->belongsTo('service', Service::class)->setJoinType('LEFT');
+        $relations->belongsTo('downtime', Downtime::class)->setJoinType('LEFT');
+    }
+}
diff --git a/library/Icingadb/Model/SlaHistoryState.php b/library/Icingadb/Model/SlaHistoryState.php
new file mode 100644
index 00000000..41560993
--- /dev/null
+++ b/library/Icingadb/Model/SlaHistoryState.php
@@ -0,0 +1,73 @@
+<?php
+
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Model;
+
+use ipl\Orm\Behavior\Binary;
+use ipl\Orm\Behavior\MillisecondTimestamp;
+use ipl\Orm\Behaviors;
+use ipl\Orm\Model;
+use ipl\Orm\Relations;
+
+/**
+ * Model for table `sla_history_state`
+ *
+ * @property string $environment_id
+ * @property ?string $endpoint_id
+ * @property string $object_type
+ * @property string $host_id
+ * @property ?string $service_id
+ * @property string $downtime_id
+ * @property string $downtime_start
+ * @property string $downtime_end
+ */
+class SlaHistoryState extends Model
+{
+    public function getTableName()
+    {
+        return 'sla_history_state';
+    }
+
+    public function getKeyName()
+    {
+        return 'id';
+    }
+
+    public function getColumns()
+    {
+        return [
+            'environment_id',
+            'endpoint_id',
+            'object_type',
+            'host_id',
+            'service_id',
+            'event_time',
+            'hard_state',
+            'previous_hard_state'
+        ];
+    }
+
+    public function createBehaviors(Behaviors $behaviors)
+    {
+        $behaviors->add(new MillisecondTimestamp([
+            'event_time'
+        ]));
+
+        $behaviors->add(new Binary([
+            'environment_id',
+            'endpoint_id',
+            'host_id',
+            'service_id',
+            'downtime_id'
+        ]));
+    }
+
+    public function createRelations(Relations $relations)
+    {
+        $relations->belongsTo('endpoint', Endpoint::class);
+        $relations->belongsTo('environment', Environment::class);
+        $relations->belongsTo('host', Host::class)->setJoinType('LEFT');
+        $relations->belongsTo('service', Service::class)->setJoinType('LEFT');
+    }
+}