{"category":null,"date":{"calendar":null,"day":28,"day_url":"https://kogda.com/28-oktyabrya","month":10,"text":"28 октября 1941 года","year":1941,"year_url":"https://kogda.com/1941"},"id":159461,"kind":"death","library":[],"license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[{"name":"Яков Усачёв","slug":"yakov-usachyov","url":"https://kogda.com/p/yakov-usachyov"}],"places":[],"related":[],"slug":"smert-yakov-usachyov","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/28_октября"},"summary":null,"text":"русский советский физик, основоположник науки о резании металлов","title":"Яков Усачёв","url":"https://kogda.com/e/smert-yakov-usachyov","weight":1}