{"category":null,"date":{"calendar":null,"day":3,"day_url":"https://kogda.com/3-aprelya","month":4,"text":"3 апреля 1873 года","year":1873,"year_url":"https://kogda.com/1873"},"id":126932,"kind":"birth","library":[],"license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[{"name":"Ян Янский","slug":"yan-yanskij","url":"https://kogda.com/p/yan-yanskij"}],"places":[],"related":[],"slug":"rozhdenie-yan-yanskij","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/3_апреля"},"summary":null,"text":"чешский врач, предложивший современную классификацию групп крови","title":"Ян Янский","url":"https://kogda.com/e/rozhdenie-yan-yanskij","weight":17}