It is 8 km by road to either of the two nearest railway stations at Altenglan and Wolfstein, the former on the Landstuhl–Kusel railway and the latter on the Lauter Valley Railway (Lautertalbahn).
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In the 1928 Reichstag elections, none of the local votes went to Adolf Hitler’s party, but by the 1930 Reichstag elections, this had grown to 23.9%.
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It belongs to the Verbandsgemeinde of Altenglan, whose seat is in the like-named municipality.
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Since 1974, Hauptschule students have been attending classes at the Hauptschule Altenglan (now the Regionalschule Altenglan), while the primary school pupils have been attending the Grundschule Altenglan in Rammelsbach.
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By the time of the 1933 Reichstag elections, after Hitler had already seized power, local support for the Nazis had swollen to 92.5%.
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Horschbach then lost its administrative function, and since 1972 it has been an Ortsgemeinde within the Verbandsgemeinde of Altenglan.
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In 2009, a photovoltaic array was installed on the former schoolhouse’s roof.