The Eastern Sporades were created by the 10th resolution of the Kapodistrian Greek government on 13 April 1828, which was repealed two years later, in June 1830, when the Greek government was forced to withdraw from Samos and the other islands in the region, as these islands returned to sovereignty of the Sublime Porte, as they were not included in the London Protocol of 1830 which described the territories that would remain independent of the Ottoman Empire.

[3] Konstantis Lachanas continued to be the military leader of Military-Political System of Samos, this time appointed by Lykourgos Logothetis.

In 1834, became an autonomous tributary state of the Ottoman Empire as Principality of Samos, until 1912, were the islands captured by Italian forces in Turkish-Italian War.

In November 1912, after a delay due to the Balkan Wars, Icaria officially became part of the Kingdom of Greece, Samos followed in March 1913.

In 1947, after the Peace Treaty with Italy, rejoined with Greece as part of Dodecanese and the other three main islands of the Eastern Sporades, Kalymnos, Leros and Patmos.