His marches in the eastern campaign of 1643 show a daily average at one time of 28 m.
The lordship remained in the marches till the Act of Union 1536, when it was grouped with a number of others so as to form the shire of Brecknock.
In Venetia, Emilia, the Marches, Umbria and Tuscany the proportion of concentrated population is only from 40 to 55%; in Piedmont, Liguria and Lombardy the proportion rises to from 70 to 76%; in southern Italy, Sicily and Sardinia it attains a maximum of from 76 to 93%.
Birth and marriage rates vary considerably, being highest in the centre and south (Umbnia, the Marches, Apulia, Abruzzi and Molise, and Calabria) and lowest in the north (Piedmont, Liguria and Venetia), and in Sardinia.
(4) The region of chestnuts extends from the valleys to the high plateaus of the Alps, along the northern slopes of the Apennines in Liguria, Modena, Tuscany, Romagna, Umbria, the Marches and along the southern Apennines to the Calabrian and Sicilian ranges, as well as to the mountains of Sardinia.