
• (n.) The national assembly or parliament of Iceland. See Thing, n., 8.
Found on
http://thinkexist.com/dictionary/meaning/althing/

(from the article `democracy`) ...and Denmark regional assemblies developed. In 930 Viking descendants in Iceland created the first example of what today would be called a national ... ...elected president as head of state. The powers of the president are similar to those of other heads of state in western European democracies. Real ......
Found on
http://www.britannica.com/eb/a-z/a/53

The closest approximation the Icelandic Vikings had to a government/court system/police--a gathering
Found on
http://www.encyclo.co.uk/local/22385
Al'thing noun [ Icelandic (modern)
alping , earlier
alpingi ;
allr all +
ping assembly. See
All , and
Thing .] The national assembly or parliament of Iceland. See
Thing ,
noun , 8.
Found on
http://www.encyclo.co.uk/webster/A/63

The Althing is the parliament of Iceland, it was created in 928 on the lines of the previously existing Norse Thing and is the oldest parliamentary assembly in the world. It was dissolved in 1800, revived in 1843 as an advisory body and it's modern form was constituted in 1874 as a legislative body.
Found on
http://www.probertencyclopaedia.com/browse/AA.HTM

the parliament of Iceland, consisting of an upper and a lower house.
Found on
https://www.infoplease.com/dictionary/althing
No exact match found.