Happy Star Wars Day!
The caption for this reads:
This photograph from what is estimated to be 1944 supports the previous evidence we’ve presented of Imperial involvement in earth’s conflicts. These soldiers atop a conquored building are securing a flag bearing a modified Imperial symbol. Rumors exist of AT-ATs and AT-STs marching all over eastern Europe during World War II, although, concrete evidence has yet to be found. Perhaps this photograph was taken after the Imperial ground fleet did their worst…
Iwo Jima is a popular motif:
But there are many other references.