Travel and tourism were drastically curtailed in Europe. Transportation links were reduced and tightened, although cargo movements were increased between some countries. read more
In addition to the expected effects of global events (business suffered somewhat after 1929 and guests after 1939 were mostly Swiss), there were a significant number of German visitors during World War II, though the numbers began dropping off in 1944-45. read more
There was little intentional tourism in western, central and eastern Europe during WW1, due to the war. There may have been tourism in Southern Europe but even that may have been fairly limited due to the war. read more