Consolidation of the Catalan counties

Timeline

1. c. 901–920Catalonia · CataloniaThe tradition of hereditary counties established by Wilfred the Hairy in the late 9th century continued in the 10th century; counties like Barcelona, Girona, and Urgell were ruled by branches of the same family, with local administration and church networks gradually integrating.
2. c. 920–980Lower Ebro · CataloniaThe Catalan counties defended against al-Andalus offensives in the era of al-Mansur to the south while also contending with Viking and Moorish pirate raids in the Mediterranean; military defense needs drove cooperation among the counties and the concentration of local power.
3. 985Barcelona · CataloniaBorell II refused to attend when Frankish King Lothair III demanded an oath of homage, marking the Catalan counties' political break from Frankish suzerainty and their becoming a de facto independent union of hereditary domains.