{"category":"aviation","date":{"calendar":null,"day":23,"day_url":"https://kogda.com/23-avgusta","month":8,"text":"23 августа 1955 года","year":1955,"year_url":"https://kogda.com/1955"},"id":149372,"kind":"event","library":[],"license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[],"places":[],"related":[],"slug":"pervyj-polyot-pervogo-konvertoplana-s-povorotnym-rotorom-1955","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/23_августа"},"summary":null,"text":"","title":"Первый полёт первого конвертоплана с поворотным ротором — «Белл XV-3»","url":"https://kogda.com/e/pervyj-polyot-pervogo-konvertoplana-s-povorotnym-rotorom-1955","weight":8}