Commander-in-chief of the Finnish army, Marshal Carl Gustav Mannerheim, inspects a parade of 20,000 men who participated in the large-scale military exercise in Karelia, in Vyborg, Finland, 1939; the date of the photograph is estimated with a month's accuracy.
<div class="fn value">
Yle Arkisto - Yle Archives</div>
<a rel="nofollow" class="external free" href="https://www.flickr.com/photos/ylearkisto/14003117237/">https://www.flickr.com/photos/ylearkisto/14003117237/</a>