{"category":null,"date":{"calendar":null,"day":21,"day_url":"https://kogda.com/21-aprelya","month":4,"text":"21 апреля 1825 года","year":1825,"year_url":"https://kogda.com/1825"},"id":129866,"kind":"death","library":[],"license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[{"name":"Иоганн Фридрих Пфафф","slug":"iogann-fridrih-pfaff","url":"https://kogda.com/p/iogann-fridrih-pfaff"}],"places":[],"related":[],"slug":"smert-iogann-fridrih-pfaff","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/21_апреля"},"summary":null,"text":"немецкий математик","title":"Иоганн Фридрих Пфафф","url":"https://kogda.com/e/smert-iogann-fridrih-pfaff","weight":28}