diff --git a/airflow/example_dags/example_external_task_marker_dag.py b/airflow/example_dags/example_external_task_marker_dag.py
index 851a7ad71ca54..b6c3da8436086 100644
--- a/airflow/example_dags/example_external_task_marker_dag.py
+++ b/airflow/example_dags/example_external_task_marker_dag.py
@@ -43,11 +43,12 @@
 from airflow.operators.dummy import DummyOperator
 from airflow.sensors.external_task import ExternalTaskMarker, ExternalTaskSensor
 
-start_date = datetime.datetime(2015, 1, 1)
+start_date = datetime.datetime(2021, 1, 1)
 
 with DAG(
     dag_id="example_external_task_marker_parent",
     start_date=start_date,
+    catchup=False,
     schedule_interval=None,
     tags=['example2'],
 ) as parent_dag:
@@ -63,6 +64,7 @@
     dag_id="example_external_task_marker_child",
     start_date=start_date,
     schedule_interval=None,
+    catchup=False,
     tags=['example2'],
 ) as child_dag:
     # [START howto_operator_external_task_sensor]
diff --git a/airflow/providers/microsoft/azure/example_dags/example_fileshare.py b/airflow/providers/microsoft/azure/example_dags/example_fileshare.py
index d37a410f85fc3..c6c702d1e78c3 100644
--- a/airflow/providers/microsoft/azure/example_dags/example_fileshare.py
+++ b/airflow/providers/microsoft/azure/example_dags/example_fileshare.py
@@ -43,5 +43,10 @@ def delete_fileshare():
     hook.delete_share(NAME)
 
 
-with DAG("example_fileshare", schedule_interval="@once", start_date=datetime(2021, 1, 1)) as dag:
+with DAG(
+    "example_fileshare",
+    schedule_interval="@once",
+    start_date=datetime(2021, 1, 1),
+    catchup=False,
+) as dag:
     create_fileshare() >> delete_fileshare()
diff --git a/airflow/providers/microsoft/azure/example_dags/example_local_to_adls.py b/airflow/providers/microsoft/azure/example_dags/example_local_to_adls.py
index cbad955c7a8e0..8dd0a682eb595 100644
--- a/airflow/providers/microsoft/azure/example_dags/example_local_to_adls.py
+++ b/airflow/providers/microsoft/azure/example_dags/example_local_to_adls.py
@@ -28,6 +28,7 @@
 with models.DAG(
     "example_local_to_adls",
     start_date=datetime(2021, 1, 1),
+    catchup=False,
     schedule_interval=None,
     tags=['example'],
 ) as dag:
diff --git a/airflow/providers/microsoft/azure/example_dags/example_local_to_wasb.py b/airflow/providers/microsoft/azure/example_dags/example_local_to_wasb.py
index 41c97d4a158f2..d77f09b377615 100644
--- a/airflow/providers/microsoft/azure/example_dags/example_local_to_wasb.py
+++ b/airflow/providers/microsoft/azure/example_dags/example_local_to_wasb.py
@@ -28,6 +28,7 @@
     "example_local_to_wasb",
     schedule_interval="@once",
     start_date=datetime(2021, 1, 1),
+    catchup=False,
     default_args={"container_name": "mycontainer", "blob_name": "myblob"},
 ) as dag:
     upload = LocalFilesystemToWasbOperator(task_id="upload_file", file_path=PATH_TO_UPLOAD_FILE)