Is this picture about World War One?

http://www.google.com/imgres?imgurl=http://farm1.static.flickr.com/97/244550616_b2a46a6e39.jpg&imgrefurl=http://scienceblogs.com/mikethemadbiologist/2007/08/superb_poster_exhibit_at_the_b.php&usg=__y8cpZ0D0agTR4T9Qf8rVd_oFWPg=&h=500&w=370&sz=96&hl=en&start=32&zoom=1&tbnid=DwZSUnPJlcC6XM:&tbnh=157&tbnw=116&ei=F9ZZTYvyIYbGlQeww8X0DA&prev=/images%3Fq%3Dworld%2Bwar%2Bone%2Bposters%26um%3D1%26hl%3Den%26biw%3D1366%26bih%3D653%26tbs%3Disch:10,539&um=1&itbs=1&iact=hc&vpx=371&vpy=288&dur=1006&hovh=261&hovw=193&tx=93&ty=183&oei=1NVZTbbEM8PFtgep7MSBCw&page=2&ndsp=27&ved=1t:429,r:20,s:32&biw=1366&bih=653