Question: What time period were people who inspired the Lyoness company trademark originally from?
Related documents: [0]  [DOC] Since 2003, Lyoness has been the registered trademark name for a group of globally distributed (mostly privately owned, limited-liability) corporate structures, which originated in Austria. Lyoness comprises at least seven corporations registered in Switzerland, nine corporations registered in Austria and approximately 42 additional national and regional corporations all around the globe. The name ‘Lyoness’ was derived from the Celtic mythological kingdom ‘Lyonesse’. "Lyconet" was introduced in 2014 as a new trademark name for the same group of corporations. [END] 
[1]  [DOC] The Celts ( or , see pronunciation of "Celt" for different usages) were an Indo-European people in Iron Age and Medieval Europe who spoke Celtic languages and had cultural similarities, although the relationship between ethnic, linguistic and cultural factors in the Celtic world remains uncertain and controversial. The exact geographic spread of the ancient Celts is also disputed; in particular, the ways in which the Iron Age inhabitants of Great Britain and Ireland should be regarded as Celts has become a subject of controversy. [END] 
Answer: 
Iron Age and Medieval Europe
Iron Age and Medieval Europe