British <a href="https://en.wikipedia.org/wiki/6_inch_30_cwt_howitzer" class="extiw" title="en:6 inch 30 cwt howitzer">BL 6-inch 30 cwt howitzer</a> in Greek service during the Greco-Turkish War (1919–1922).
Unknown author<span style="display: none;">Unknown author</span>
circa. 1919-1922
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