Having received reports of clashes in North America, and with the backing of an [[Anglo-Prussian Alliance]], [[Frederick I]] crossed the border at [[Saxony]] on 29 August. Saxony was one of rival Austria's allies; he intended this as a pre-emption of an anticipated Austro-French invasion of [[Silesia]]. | Having received reports of clashes in North America, and with the backing of an [[Anglo-Prussian Alliance]], [[Frederick I]] crossed the border at [[Saxony]] on 29 August. Saxony was one of rival Austria's allies; he intended this as a pre-emption of an anticipated Austro-French invasion of [[Silesia]]. |