- Today in History - May 13: John Ewing elected as Omaha's first Black mayor - WOWT
- Today in History - May 13: John Ewing elected as Omaha's first Black mayor - WOWT
- Today in History: May 13 - YouTube
- Today in History: May 13, United States declares war on Mexico - Daily Journal
- Today in History: May 13, United States declares war on Mexico | Living | journalgazette.net
- Today in History: May 13, Winston Churchill offers his 'blood, toil, tears and sweat' in speech
- Today in History - The Turtle Island News
- Today in History: May 13, United States declares war on Mexico | National - WFMJ
- Today in History: May 13, United States declares war on Mexico – Butler Eagle
- Today in History: May 13, United States declares war on Mexico | Region | starbeacon.com