The use of bardiches started in early 14th century Austria and in Scandinavia in the late 15th century. In the 16th century the bardiche became a weapon associated with streltsy (Russian guardsmen armed with firearms).
Who invented Glaives?
Early games featuring Krull-style "glaives"
The overwhelming popularity of these games probably led to the word's current renaissance in gaming and why this list appears sparse in the 80s and 90s but really picks up steam post 2002. In other words, Krull invented it, but DotA popularized it.
Where was the bardiche used?
The bardiche was mainly a slavic weapon, used in eastern Europe and Russia, but it was also used in Scandinavia, Germany, Switzerland, as well as around Turkey and in the Middle East. The bardiche developed from the large two handed danish axe favoured by the vikings.