Further notes:
* Actually, the Ibero-Spanish glory goal can be achieved (by only one spanish province though), meaning 2 out of the possible 6 glory points (2 for castile, granada, 1 for aragon, cordoba). So take Castile as it has iron...

* Some glory goals are era-dependant, meaning they will not appear if you start in Early, but they will appear in High/Late.
For example, the English Plantagenet Claims glory goal
"Your faction are the rightful heirs to extensive lands on the continent. Making good these claims are a noble and profitable objective. Points are counted in 1453 only. The following provinces must be controlled:"