+**1939**
+The year 1939 stands as a pivotal moment, marking the eruption of global conflict. The invasion of [Poland](/wiki/Poland) by Germany ignited [World War II](/wiki/World_War_II), fundamentally reshaping the 20th century and the course of human history.
+## See also
+- [Nazi Germany](/wiki/Nazi_Germany)
+- [Great Depression](/wiki/Great_Depression)
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