🌐EnglishEnglishEspañolРусскийEntityQ4158201· pop 6· linked from 1 articlesGeologist's DayAlso known as Day of GeologistsThe Geologist's Day professional holiday, celebrated on the first Sunday of April, was established in 1966 in USSR.Wikidata factsImageДень геолога 3.jpgSources (2)wikidata.orgru.wikipedia.orgvia Wikidata · CC0Available in 4 languagesEspañolРусскийUkrainianvia Wikidata sitelinks · CC0ConnectionsSoviet UnionConceptWayback MachineEntityCategoriesApril observancesHolidays and observances by scheduling (nth weekday of the month)Public holidays in the Soviet Union