Statistics for occurrence #1 of “ Rhine ” in book 1, chapter 1 of C. Julius Caesar, Gallic War:

...ly resort to them, and import those things which tend to effeminate the mind; and they are the nearest to the Germans, who dwell beyond the Rhine , with whom they are continually waging war; for which reason the Helvetii also surpass the rest of the Gauls in valor, as they contend with the Germans in almost daily battles, when they either repel...
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