Matches in DBpedia 2014 for { ?s ?p 1957-09-21. }
- The_Polly_Bergen_Show firstAired "1957-09-21".
- Alumni_Stadium opened "1957-09-21".
- Have_Gun_–_Will_Travel_(season_1) originalairdate "1957-09-21".
- List_of_Perry_Mason_episodes originalairdate "1957-09-21".
- A_Jolly_Christmas_from_Frank_Sinatra released "1957-09-21".
- Inazuma_Kaidō released "1957-09-21".
- Rani_Lalithangi released "1957-09-21".
- Pin_Malakul termStart "1957-09-21".
- Pote_Sarasin termStart "1957-09-21".