{"category":null,"date":{"calendar":null,"day":9,"day_url":"https://kogda.com/9-marta","month":3,"text":"9 марта 1948 года","year":1948,"year_url":"https://kogda.com/1948"},"id":122816,"kind":"event","library":[],"license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[],"places":[{"name":"Калифорния","slug":"kaliforniya","url":"https://kogda.com/place/kaliforniya"}],"related":[],"slug":"na-ciklotrone-v-kalifornii-udayotsya-poluchit-mezony-1948","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/9_марта"},"summary":null,"text":"","title":"На циклотроне в Калифорнии удаётся получить мезоны","url":"https://kogda.com/e/na-ciklotrone-v-kalifornii-udayotsya-poluchit-mezony-1948","weight":37}