Interior of La Torre des Infantas, illustrating the legend of the three Moorish princesses, in Washington Irving's 'The Alhambra' -
Edwin Lord Weeks
The Taking of Berg op Zoom Netherlands - Jean Jacques Francois Le Barbier
The 3rd Regiment of Foot Guards repulsing the final charge of the old Guard at the Battle of Waterloo, 18th June 1815 - Richard Simkin
The Battle of Blenheim in 1704 2 - (after) Godefroy, Jean
Barricade at Faubourg Saint Antoine and the Death of General Negrier - Gaspard Gobaut
The Redan and Advanced Trenches of the British Right Attack, plate from The Seat of War in the East, pub. by Paul and Dominic Colnaghi and Co., 1856 - William Simpson
Battle in the City of Cholula Between the Spaniards and the Indians in October 1519 2 - Miguel Gonzalez
A cavalry skirmish 2 - (after) Antonio Calza
Young Soldier 1910s - Laszlo Mednyanszky
A Consul of France wearing the uniform of 1776 - L. Malespine
Great Mogul And His Court Returning From The Great Mosque At Delhi India - Edwin Lord Weeks
Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the 
