Analysis of information sources in references of the Wikipedia article "République démocratique d'Azerbaïdjan" in French language version.
« Until 1918, when the Musavat regime decided to name the newly independent state Azerbaijan, this designation had been used exclusively to identify the Iranian province of Azerbaijan. »
« (...) the Baku and Elisavetpol guberniias, declared their independence (to 1920), and, despite Iranian protests, took the name of Azerbaijan (as noted, the same designation as the historical region in northwestern Iran) (...) »
« The protesting of Iran to the naming of newly formed state Azerbaijan came from exactly this reason. Therefore, Azerbaijan government began to write Caucasus Azerbaijan in the diplomatic documents for putting an end to the hesitation of Iran. »