Army prisoners in stockade on the parade ground of Alcatraz, c. 1902.

This image dataset is generated from the world's largest public domain image archive. Made in two steps (manually curated set, and following image recognition), it comprises of more than 100,000 images of military ceremonies from different countries and times. All media is in the public domain, so there is no limitation on the dataset usage - educational, scientific, or commercial. Please contact us if you need a dataset like this, we may already have it, or, we can make one for you, often in 24 hours or less.