However, the Commonwealth army had still a considerable number of 6,000 soldiers.

This terminology is also used in many other Commonwealth armies.

The same practice is followed in some Commonwealth armies.

Isn't he the chief of staff for the new Commonwealth Army?

His year of birth is unknown, but in mid-1640s he likely served in the Commonwealth army for 10 to 20 years.

Registered Cossacks were a part of the Commonwealth army until 1699.

The Commonwealth army managed to hold off from being overrun; this was due in part to their superior artillery.

The Commonwealth army had about 50 heavy guns.

The stated size of the Commonwealth army was further exaggerated, as some money was lost due to corruption.

The Ottomans attacked and much of the Commonwealth army was destroyed.