Well that is a new one on me - although I have seen St Barbara's day celebrations but there are details here https://en.m.wikipedia.org/wiki/Geologists_Day It sounds a fine tradition and I will raise a glass to fellow geologists on Sunday! Jeremy Young Earth Sciences, UCL Sent from thumb driven device so typing may be a bit adrift On 30 Mar 2018, at 08:39, "Мусатов Владимир" <dr.musatov at yandex.ru> wrote: > Day of the geologist" - first Sunday in April.