castile

Modern Portugal traces its roots to the successful independence war waged by Afonso I, who broke free from the Kingdom of Leon in 1129. But I wonder, how could Afonso I lose this war, and what would come of it? I imagine Portugal would be in a tense situation since the Leonese themselves were a...

How much land could the Almohad realistically take with a big victory at Las navas de los Tolosa i have seen a lot of scenario were that lead to a semi Re-Reconquista were the vast majority of the peninsula end in Muslim control (wich seem a little improbable to me since Leon didn’t participated...

Lets say, that ATL Henry IV happens to be opposite of his OTL version: he is strong and capable monarch (caplable also to provide his kingdom with legitimate heir), how is situation in Iberian Peninsula affected? Would Carlos of Viana survive as result? If John of Aragon tries to remove him...

IOTL Ferdinand II of Aragon became King of Castile iure uxoris as husband of Isabel of Castile, but as descendant of Juan I of Castile he was himself high in succession line, just behind Isabel and their children. So lets say that following changes happen-la Beltraneja dies as kid, while Isabel...

Peter the Cruel, king of traditionally pro-French Castile, switched to alliance with England and relied heavy on English help during war against his bastard half brother Henry of Trastamara. Say, that Peter's foreign policy during 1360s is different and Peter is allied to France instead (say...

The death of Juan of Castile in 1497 ruined the plans laid out by his parents and led to the unwanted rise to the Spanish crowns by the Habsburgs down the line. Let's suppose that Philip somehow dies in 1497 and Juan survives his illness, long enough at least to sire at least a son and a...

Change is simple-Fernando de Antequera is never born (his parents have a girl instead in 1380). What are effects? In such case Catherine of Lancaster would not share regency with him and would be sole regent for John II, but biggest changes would happen in Aragon (assuming, that Martin I still...

Prologue: The roots of an Empire Se Deus quiser, há-de brilhar, De novo a Coroa sobre as Lusas armas! Que a nossa Pátria soube, sempre honrar, Que a nossa Pátria soube, sempre honrar! The Kingdom of Portugal is a byproduct of the reconquest of the Iberian Peninsula. Founded in its...

It is known that Juana was not crazy, and was an intelligent and competent woman. Without the toxic relationship with her husband, father and son, Castile's history would have been very different. Would she inherit Aragon (Ruled by the salic law) and unify Spain? What would be the agenda of...

As it says on the tin. Fernando II had an obvious preference for his namesake grandson. Even intending that the native-born Ferdinand succeed him instead of Karl V. So, what if he makes good on this decision? How can he make good this decision? And did he only intend Fernando to succeed him in...

If Castile does not unite with Aragon, or union is short living (like it would be with surviving John of Girona) how would its colonial expansion looks like? Would Spanish colinization be more or less successful than IOTL, without Crown of Aragon, Navarre and Burgundian inheritancd? On one...

Battle of Toro (4th March 1476) during War of Castilian Succession was military inconclusive, despite this Isabela and Ferdinand were able to portray battle as their victory. As result lots of supporters of Juana 'la Beltraneja' and her husband/uncle Alfonso decided to switch sides, not willing...

POD is easy-Henry III of Castile dies in 1399, before his children were born. Thus his brother Ferdinand takes throne after him. What does it mean? -Catherine of Lancaster has nothing to do in Castile, is she going home? Would she remarry? -Compromise of Caspe-how would it look like? Chosing...

In the 13th century, the eldest son of the king of Castile, Alfonso X, Fernando de la Cerda, died in 1275, leaving two underage sons. His brother, Sancho IV, succeeded as king in 1284. Fernando's widow, a daughter and sister to the kings of France, went back to France to attempt to gain...

So after months of scrolling through TLs, I have decided to take the daunting task of writing one myself, plus I've always liked a good Castile/Spain screw and there's simply not enough of those around;) Basically I wanted to have Aquitaine, either by direct political or dynastic control, to be...

tl;dr Joanna la Beltraneja remains Henry IV's heir, and her marriage to Alfonso V results in a personal union of Portugal and Castile. What happens to Columbus and the Americas (whatever they end up being named)? The whole story: Let's suppose, however unlikely, that Henry IV of Castile...

In my other thread, I mentioned it but here I'm asking what the effects would be of separate Hohenstaufen lines in the Burgundian Palatinate, Italy/Sicily/Tuscany, the Empire and Castile (namely Friedrich I having more male-line grandsons, through Othon (Count Palatine of Burgundy)...

Hijo Catolico Points of Divergences “On Palencia on October 2, 1470, Isabella of Castile would give birth to a son, she would name as Alfonso, she would name after her own dead brother, the birth of a son would mean that Isabella of Castile would have a male heir on her own claims to Castile...

A Peace never achieved A Peace never achieved On 1478, the French would not agree with peace with the Catholic Monarchs, the Catholic Monarchs and Austro-Burgundians would remain allied and the French and Portuguese would continue supporting the Juana I of Castile and on 1479, a betrothal...

So as we all know, the royal marriage of Queen Isabella I of Castile and King Ferdinand II of Aragon led to the unification of Spain. As one might expect, Castile and Aragon became relatively equal partners in the new realm. Aragon's Mediterranean holdings were counterbalanced by Castile's extra...