EntityQ1497537· pop 8· linked from 9 articlesHeldenberg MemorialSign in to saveopen-air pantheon in Heldenberg, Lower AustriaConnectionswarEntitygeographic coordinate systemEntitycemeteryEntityLower AustriaEntityJoseph II, Holy Roman EmperorEntityfield marshalEntityJoseph Radetzky von RadetzEntityWalhalla memorialEntityImperial CryptEntitymemorialEntityHeldenbergEntityBefreiungshalleEntityRuhmeshalleEntityMaximilian von WimpffenEntityCategories1849 establishments in the Austrian Empire19th-century architecture in AustriaAwards established in 1849Building and structure articles needing translation from German WikipediaBuildings and structures in Lower AustriaHalls of fame in AustriaMilitary monuments and memorialsMonuments and memorials in AustriaTourist attractions in Lower Austria