{"category":"aviation","date":{"calendar":null,"day":7,"day_url":"https://kogda.com/7-iyunya","month":6,"text":"7 июня 1938 года","year":1938,"year_url":"https://kogda.com/1938"},"id":137251,"kind":"event","library":[],"license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[],"places":[],"related":[],"slug":"pervyj-polyot-amerikanskogo-eksperimentalnogo-samolyota-1938","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/7_июня"},"summary":null,"text":"","title":"Первый полёт американского экспериментального самолёта Douglas DC-4E","url":"https://kogda.com/e/pervyj-polyot-amerikanskogo-eksperimentalnogo-samolyota-1938","weight":9}