Elizabeth of York was pregnant when her mother Elizabeth Woodville died.
Henry VII and Elizabeth of York didn't meet Ferdinand of Aragon and Isabella of Castile in Spain.
The Spanish guards wear unhistorical armor from House Tyrell in Game of Thrones (2011) and capes that appear to contain plastic.
Flamenco is a Romani dance from the 18th century. There is no way the Spanish court of the 15th century would dance it to receive the English monarchs.
Catherine of Aragon was betrothed to Arthur in 1489, three years before Granada's surrender.
The arrival of the English in the "Alhambra" is clearly filmed in the Alcazar of Seville, not Granada; even the Cathedral of Seville is visible. This is a puzzling choice because the Alcazar was an actual residence of the Catholic Monarchs at the time.