ViennaEuropean city tourshttp://mixi.jp/view_diary.pl?id=1894040364&owner_id=29841454Holy Roman EmperorKarl VI (1685-1711-1740)　https://en.wikipedia.org/wiki/Charles_VI,_Holy_Roman_EmperorKarl VII (1697-1742-1745)　https://en.wikipedia.or

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