During the Third National Assembly in Troezen, Ioannis Kapodistrias was elected “Governor of Greece” in April 1827. A few days later, on 1 May, the “Political Regime of Greece”, the third successive constitution of the Greek Revolution (after those of Epidaurus in 1822 and of Astros in 1823) was voted, expressly establishing the principle of popular sovereignty. The Treaty of London on 24 June / 6 July 1827 revealed the decisiveness of the Great Powers – Britain, France, and Russia – to resolve the Greek Question and led to the naval battle of Navarino, a milestone event for the Greek Revolution, on 8/20 October 1827. Upon arriving at Aegina on 8 January 1828, Ioannis Kapodistrias introduced a series of measures for state building, international recognition of extended borders, funding for the organization of the army and the care of widows, orphans, and refugees. The Governor’s care for the orphans of the Struggle is reflected in the fact that one of his first actions was the establishment of the Aegina Orphanage; the construction of the building was announced in the General Gazette of Greece on 2 May 1828. On 16 November 1829, by the Decree No. 55 of the Governor of Greece Ioannis Kapodistrias, the stewardship of the two printing houses that belonged to the government, the French, and the Greek printing houses, was assigned to Andreas Moustoxydis, also president of the and curator of the Museum. The Aegina Orphanage also housed the “Depository of Books”, which became the Public and later the National Library of Greece by the Decree of 15 May 1832 issued by the Administrative Committee of Greece. A bit earlier, on 31 December 1831, in a report to the Secretary of Religious Affairs and Public Education, Andreas Moustoxydis noted: “The library and the printing house are the two channels that spread the blessings of education”.