| 1861 | Europe • Italian states
| Eugène Sevaistre uses a stereoscopic camera to obtain a faster exposure during the siege of Gaeta (near Naples) during the war between the King of Naples, Francesco II Borbone and the Kingdom of Sardinia. |
| 1862 | Central America
| Désiré Charnay (1828–1915) after returning to France from his travels in Central America (1857 and 1860) publishes Cités et ruines américaines. The book is published in two volumes (1862/1863) and includes forty-nine original photographs. |
| 1862 | Europe • France
| Guillaume-Amant Duchenne de Boulogne (1806-1875) publishes his findings on facial muscles in the album Mécanisme de la physionomie humaine, ou analyse électrophysiologique des passions. He stimulates different facial expressions in his subjects with electrical shocks and photographs them. This is one of the earliest photographically illustrated medical research reports. |
| 1862 | Asia • Japan
| Felice Beato arrives in Japan to produce photos of "native types". |
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