Assertion: new castle | /r/CapableOf | become the kingdom
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text: It became the seat of Pozsony county and protected the kingdom against Bohemian (Czech) and German attacks (e.g. in 1030, 1042, 1052, 1108, 1146) and played an important role in throne struggles in the Kingdom of Hungary (e.g. struggles after the death of King Stephen I).