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ProgPower Europe
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<p>ProgPower Europe (formerly ProgPower) is a <a href="/facts/Progressive_metal/8y6HIRpw">progressive metal</a> <a href="/facts/Music_festival/JSIH6XAM">festival</a> held annually in the Netherlands since 1999. Notable headliners have included <a href="/facts/Sons_of_Apollo/P8gdsEfr">Sons of Apollo</a>, <a href="/facts/Evergrey/FbzNrJsr">Evergrey</a>, and <a href="/facts/Caligula%2527s_Horse/sxwI34n8">Caligula's Horse</a>. </p>