Analysis of information sources in references of the Wikipedia article "Generalissimo" in English language version.
The Earl of Athlone [Godard van Reede] was set on by the other Dutch Generals, to insist on his quality of Velt-Marshal, and to have the command with the Earl of Marlborough by turns. But, though he was now in high reputation by his late conduct, the States obliged him to yield this point to the Earl of Marlborough, whom they declared Generalissimo of all their forces, and sent orders to all their Generals and other Officers to obey him.
wurde 1720. von dem König in Schweden ... zum Generalissimo der sämmtlichen Schwedischen Trouppen ernennet
The Prince was Duke of Cumberland, Lord High-Admiral of Great-Britain and Ireland, Generalissimo of all her Majesty's forces both by sea and land, and Warden of the Cinque-ports.
But an unexpected alteration was suddenly made, and the French King declared the Duke of Burgundy Generalissimo of his forces, appointing the Duke de Vendosme [sic: Vendôme] to serve under him; and he was to be accompanied by the Duke of Berry.
Титул Г. всегда присваивался только лицам царской крови или же главнокомандующим несколькими союзными армиями.
The Earl of Athlone [Godard van Reede] was set on by the other Dutch Generals, to insist on his quality of Velt-Marshal, and to have the command with the Earl of Marlborough by turns. But, though he was now in high reputation by his late conduct, the States obliged him to yield this point to the Earl of Marlborough, whom they declared Generalissimo of all their forces, and sent orders to all their Generals and other Officers to obey him.
wurde 1720. von dem König in Schweden ... zum Generalissimo der sämmtlichen Schwedischen Trouppen ernennet
The Prince was Duke of Cumberland, Lord High-Admiral of Great-Britain and Ireland, Generalissimo of all her Majesty's forces both by sea and land, and Warden of the Cinque-ports.
But an unexpected alteration was suddenly made, and the French King declared the Duke of Burgundy Generalissimo of his forces, appointing the Duke de Vendosme [sic: Vendôme] to serve under him; and he was to be accompanied by the Duke of Berry.