Alwyn Collinson began his six-year project on 31 August, on the eve of the invasion of Poland by Germany.

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Set during the Prussian invasion of Poland in 1793, it's a savage yet lyrical allegory for the Polish government's reaction to the 1968 student uprisings.

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That tumultuous time between the invasion of Poland and the attack on Pearl Harbor gave rise to a conflict at home that pitted isolationists against interventionists.

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When Barack Obama cancelled the Bush administration's missile-defence shield (which would have protected Poland) in 2009, he chose a fraught date: September 17th, the anniversary of the Soviet invasion of Poland in 1939.

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As a direct result of the Pact, Soviet armies moved into eastern Poland within three weeks of the invasion launched by Hitler on September 1st.

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European governments, companies and banks simply did not share the U.S. view that Moscow should be penalized for its sponsorship of repressive martial law in Poland (and near Soviet invasion) in the early 1980's, but instead should be de facto rewarded with the largest single Western taxpayer-subsidized transaction in the history of East-West trade.

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Two weeks after the German invasion, the Red Army invaded and annexed eastern Poland under terms agreed in the secret protocol of a Nazi-Soviet pact.

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