Elements of Military Art and Science / Or, Course Of Instruction In Strategy, Fortification, Tactics Of Battles, &C.; Embracing The Duties Of Staff, Infantry, Cavalry, Artillery, And Engineers; Adapted To The Use Of Volunteers And Militia; Third Edition; With Critical Notes On The Mexican And Crimean Wars.

by H. W. Halleck

Mantua, in 1796-7, protected from invasion, for eight months, the Tyrol and the heart of the Austrian monarchy.

Kehl and Huninguen, in 1796, sheltered Moreau for three months against all the efforts of the Archduke Charles.

St. Jean d'Acre, in 1799, sustained a siege of sixty days of open trench.

Ulm, in 1800, held Moreau in check for more than a month.

Genoa, in 1800, sustained a blockade of sixty and a siege of forty days.

Saragossa in 1808 sustained a close siege of near two months; and in 1809 it was again besieged for two months.

Rosas in 1808 sustained a siege of thirty days.

Gerona in 1809 sustained a siege and blockade of seven months, nearly four of them being of open trench.

Mequinenza (a very small work) in 1810 sustained a siege of more than two weeks.

Astorga in 1810 sustained a siege of thirty days; twenty-four being of open trench.