There are some train-routes that became legendary during the past. In former times they were real means of transportation for long-distance travel. Nowadays their main purpose is tourism. In some countries (e.g. Russia) they still are important parts of their transport systems.
... 6 - Harry Martinson, swedish author, winner of the Nobel Prize in literature
May 11 - Salvador Dalí, artist
May 17 - Jean Gabin[?], actor (+ 1976)
May 21 - Fats ...