Here are some good sites about instruments worldwide & the history of some, for the interested souls. I was writing this as an addition to an instrument thread, but it deserves its own title:

Atlas of Plucked Instruments (awesome site, when I start browsing this site, I always waste a good deal of time, so enter at your own risk):
http://www.atlasofpluckedinstruments.com/index.htm

On Baglama/Saz & a nice depiction of the possible evolution of instruments:
http://www.erolparlak.com.tr/eng/baglama.php

Stringed instruments of Greece:
http://www.helleniccomserve.com/stringintruments.html

Encyclopedia of Persian instruments:
http://nay-nava.blogfa.com/8412.aspx

On the Guitar:
http://www.guyguitars.com/eng/handbook/BriefHistory.html

I got more, but I better stop for now.

Now, yar bana bir eglenceeee'eee medet.