{"category":"aviation","date":{"calendar":null,"day":21,"day_url":"https://kogda.com/21-sentyabrya","month":9,"text":"21 сентября 1942 года","year":1942,"year_url":"https://kogda.com/1942"},"id":153815,"kind":"event","license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[],"places":[],"related":[],"slug":"pervyj-polyot-samolyota-boeing-b-29-superfortress-1942","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/21_сентября"},"summary":null,"text":"","title":"Первый полёт самолёта Boeing B-29 Superfortress","url":"https://kogda.com/e/pervyj-polyot-samolyota-boeing-b-29-superfortress-1942","weight":30}