{"category":"founding","date":{"calendar":null,"day":29,"day_url":"https://kogda.com/29-maya","month":5,"text":"29 мая 1802 года","year":1802,"year_url":"https://kogda.com/1802"},"id":135812,"kind":"event","library":[],"license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[{"name":"Василий Петров","slug":"vasilij-petrov-3","url":"https://kogda.com/p/vasilij-petrov-3"}],"places":[],"related":[],"slug":"fizik-i-osnovopolozhnik-elektrometallurgii-akademik-v-v-1802","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/29_мая"},"summary":null,"text":"","title":"Физик и основоположник электрометаллургии академик В. В. Петров открыл явление электрической дуги","url":"https://kogda.com/e/fizik-i-osnovopolozhnik-elektrometallurgii-akademik-v-v-1802","weight":12}