📜 历史上的今天Today in History
查询某一天历史上发生的重大事件（精选、经核实的著名事件），默认显示今天。Look up well-known historical events that happened on a given day of the year (a verified selection); defaults to today.
使用说明与常见问题How-to & FAQ
「历史上的今天」是什么？What is the Today in History tool?
查询某一天历史上发生的重大事件（精选、经核实的著名事件），默认显示今天。Look up well-known historical events that happened on a given day of the year (a verified selection); defaults to today.
如何使用「历史上的今天」？How do I use the Today in History tool?
在「历史上的今天」中，按需设置「月」、「日」等选项，然后点击「回到今天」按钮即可。In the Today in History: Set "Month", "Day", then click "Today".
历史上的今天的数据来自哪里？Where does the data come from?
这是一份经人工核实的著名历史事件精选，并非每天都收录，也不追求完整；日期以公历为准。如有疑问请以权威资料为准。This is a hand-checked selection of well-known events — not every day is covered and it is not exhaustive. Dates are Gregorian; consult authoritative sources for details.
时区如何处理？How are time zones handled?
「历史上的今天」按日历日期计算，只有“今天”取自你设备的本地日期；计算不涉及钟点，所以时区和夏令时不影响结果。The Today in History works with calendar dates; only "today" comes from your device's local date. No clock times are involved, so time zones and daylight saving time do not affect the result.
「历史上的今天」免费吗？需要注册吗？Is the Today in History free? Do I need an account?
「历史上的今天」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Today in History is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.