Unusual and very interesting data-visualization and map propaganda poster, issued in Berlin, just before the end of the First World War.
The map shows the progress of the Eastern Front of the First World War from 1914, to May 1918. In the upper-left corner is a calendar with major battles blocked out, covering the years 1914 and 1915. The same is repeated in the upper-right corner, for 1915-1916; in the lower-left is 1916-1917, and then the end of 1917 and "Peace in the East!" shows a German soldier bending a metal girder(?) in the lower-right corner.
The poster includes three maps of the Eastern Front, highlighting the successes of German forces against Imperial Russia.
Famously, the Russian Revolution occurred in 1917, and the Bolsheviks sued for peace in 1918 at Brest-Litovsk (mentioned on the poster). The Romanians reached a peace accord with the Central Powers later that spring. In the fall of 1918,
The map was part of a series of four, which included: 1. Westen; 2. Osten; 3. Italien, Balkan, Vorderasien; and, 4. Seekrieg-Kolonien.
OCLC records a single example of the "2. Osten", at the Bavarian State Library.