"Smörgåsbord" is one of the few words that is used in both german and english. It became internationaly known at the 1939 New York World's Fair when the Swedish Pavilion offered Smörgåsbord at the Swedish Pavilion’s "Three Crowns Restaurant". 

A "Smörgåsbord" [ˌsmœrɡɔsˈbuːɖ] is a traditional swedish buffet which consist of both hot and cold dishes. The dishes are placed on a table and the guests get what they fancy. Examples of dishes are pickled herring, lox, ham, bread, butter and much more. "Julbord" is a variation of "smörgåsbord" which is served before and during christmas. It is very common that companies invite their employees to julbord.

Read more at Wikipedia