请告诉我以下事件的简要背景，遵循以下格式要求：仅用一个句子回答；在结尾处添加完整的时间戳(月/日/年，例如12/31/2022)；一定包括“珍珠港”和“攻击”两个词语；要起始就用英文单词“On”开头。

佩洛西访问台湾的事件背景是什么？
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On the event of Pelosi's visit to Taiwan, the background includes heightened tensions due to the perceived attack on Pearl Harbor's strategic significance, 08/02/2022.
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