+The year 1438 saw shifts in [European](/wiki/Europe) power and a quest for religious unity. Albert II of Habsburg began his reign as [Holy Roman Emperor](/wiki/Holy_Roman_Empire), while the Council of Ferrara-Florence convened to bridge theological divides.
+## See also
+- [15th Century](/wiki/15th_Century)
+- [Middle Ages](/wiki/Middle_Ages)
+- [Council of Florence](/wiki/Council_of_Florence)
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