Armenian Israel

Their's no way that would happen for one very big reason, by the 40's their were only a small amount of Armenians left in Turkey, as in less than 50,000, and a good portion of them were Muslim (hence why they stayed in Turkey), further more unlike the partition of Germany, their were simply not enough Armenians to fill any 'new lands' without causing Armenia itself to become nearly depopulated.
You are right. According to wikipedia, in 1922 only 231,000 Armenians were still living in Turkey (of a population of over 1.5m), over half of which lived in Istanbul.

However, this hypothetical Armenian state doesn't necessarily have to be populated by Armenians.
 
That 1896 one is bizzare, what with showing large parts of Southern Caucasia as Ottoman when the Russian's had only 15 years previously took the small bit of Ottoman Caucasia as well as the Kars region.
 
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