United Crown of Great Iberia (Principia Moderni IV Map Game)

Great Iberia, officially the United Kingdom of Great Iberia, is a political, economic, social and military union of the Crown of Aragon and Crown of Castile. It was established in 1459 following the invocation of the Acts of Union, 1434 by the King of Castile, Sancho I, and Queen of Aragon, Eleanor I. The Acts of Union themselves were signed by their predecessors, King Henry IV of Castile and King Alfonso V of Aragon. Great Iberia combined controls most of the Iberian Peninsula, Morocco, the Balearic Islands, Sardinia, Sicily, and parts of Greece.

Constituents

 * Crown Union of Castile
 * Kingdom of Castile
 * Kingdom of Gibraltar
 * Duchy of Athens
 * Serene Republic of Liguria
 * Colony of the Canary Islands
 * Kingdom of Leon
 * Kingdom of Morocco
 * Crown Union of Aragon
 * Kingdom of Aragon
 * Kingdom of Catalonia
 * Kingdom of Sardinia
 * County of Malta
 * Kingdom of Majorca
 * Kingdom of Valencia
 * Kingdom of Sicily

Royal family
Since its foundation, Great Iberia has been under the rule of the House of Trastamara. Currently, Sancho I and Eleanor I rule as joint Sovereigns of the United Kingdom. However, upon their deaths and the succession of their heir, the two thrones will be merged into one Crown of Great Iberia.

Sancho I of Castile and Eleanor I of Aragon currently rule as the King and Queen Consort of Castile, and the King Consort and Queen Regent of Aragon, as well as the King and Queen of Great Iberia.
 * 1) Ferdinand, Crown Prince of Great Iberia (born 1459) is as the first child of Sancho I and Eleanor I the heir apparent to the thrones of Aragon and Castile and by extension to the throne of Great Iberia.