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2024 大赛主题

历史转折点

转折点是直接或有时间接导致变化的想法、事件或行动。 National History Day^® (NHD) 2024 年竞赛主题邀请您思考时间和地点、因果关系、随时间变化以及影响和意义的问题。

了解有关主题的更多信息

新闻与事件

<img decoding="async" width="600" height="600" alt="" style="" data-srcset="https://nhd.org/wp-content/uploads/2023/04/press-release.png 600w, https://nhd.org/wp-content/uploads/2023/04/press-release-300x300.png 300w, https://nhd.org/wp-content/uploads/2023/04/press-release-150x150.png 150w, https://nhd.org/wp-content/uploads/2023/04/press-release-12x12.png 12w, https://nhd.org/wp-content/uploads/2023/04/press-release-100x100.png 100w, https://nhd.org/wp-content/uploads/2023/04/press-release-400x400.png 400w" data-src="https://nhd.org/wp-content/uploads/2023/04/press-release.png" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-post-thumb size-post-thumb wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img decoding="async" width="600" height="600" src="https://nhd.org/wp-content/uploads/2023/04/press-release.png" class="attachment-post-thumb size-post-thumb wp-post-image" alt="" style="" srcset="https://nhd.org/wp-content/uploads/2023/04/press-release.png 600w, https://nhd.org/wp-content/uploads/2023/04/press-release-300x300.png 300w, https://nhd.org/wp-content/uploads/2023/04/press-release-150x150.png 150w, https://nhd.org/wp-content/uploads/2023/04/press-release-12x12.png 12w, https://nhd.org/wp-content/uploads/2023/04/press-release-100x100.png 100w, https://nhd.org/wp-content/uploads/2023/04/press-release-400x400.png 400w" sizes="(max-width: 600px) 100vw, 600px" />

National History Day 庆祝教师入选新专业发展计划

2024年2月22日

<img decoding="async" width="600" height="600" alt="" style="" data-srcset="https://nhd.org/wp-content/uploads/2023/04/press-release.png 600w, https://nhd.org/wp-content/uploads/2023/04/press-release-300x300.png 300w, https://nhd.org/wp-content/uploads/2023/04/press-release-150x150.png 150w, https://nhd.org/wp-content/uploads/2023/04/press-release-12x12.png 12w, https://nhd.org/wp-content/uploads/2023/04/press-release-100x100.png 100w, https://nhd.org/wp-content/uploads/2023/04/press-release-400x400.png 400w" data-src="https://nhd.org/wp-content/uploads/2023/04/press-release.png" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-post-thumb size-post-thumb wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img decoding="async" width="600" height="600" src="https://nhd.org/wp-content/uploads/2023/04/press-release.png" class="attachment-post-thumb size-post-thumb wp-post-image" alt="" style="" srcset="https://nhd.org/wp-content/uploads/2023/04/press-release.png 600w, https://nhd.org/wp-content/uploads/2023/04/press-release-300x300.png 300w, https://nhd.org/wp-content/uploads/2023/04/press-release-150x150.png 150w, https://nhd.org/wp-content/uploads/2023/04/press-release-12x12.png 12w, https://nhd.org/wp-content/uploads/2023/04/press-release-100x100.png 100w, https://nhd.org/wp-content/uploads/2023/04/press-release-400x400.png 400w" sizes="(max-width: 600px) 100vw, 600px" />

National History Day 宣布为学生和教师研究美国建国时代的新计划

2024年2月15日

<img decoding="async" width="600" height="600" alt="" style="" data-srcset="https://nhd.org/wp-content/uploads/2023/04/press-release.png 600w, https://nhd.org/wp-content/uploads/2023/04/press-release-300x300.png 300w, https://nhd.org/wp-content/uploads/2023/04/press-release-150x150.png 150w, https://nhd.org/wp-content/uploads/2023/04/press-release-12x12.png 12w, https://nhd.org/wp-content/uploads/2023/04/press-release-100x100.png 100w, https://nhd.org/wp-content/uploads/2023/04/press-release-400x400.png 400w" data-src="https://nhd.org/wp-content/uploads/2023/04/press-release.png" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-post-thumb size-post-thumb wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img decoding="async" width="600" height="600" src="https://nhd.org/wp-content/uploads/2023/04/press-release.png" class="attachment-post-thumb size-post-thumb wp-post-image" alt="" style="" srcset="https://nhd.org/wp-content/uploads/2023/04/press-release.png 600w, https://nhd.org/wp-content/uploads/2023/04/press-release-300x300.png 300w, https://nhd.org/wp-content/uploads/2023/04/press-release-150x150.png 150w, https://nhd.org/wp-content/uploads/2023/04/press-release-12x12.png 12w, https://nhd.org/wp-content/uploads/2023/04/press-release-100x100.png 100w, https://nhd.org/wp-content/uploads/2023/04/press-release-400x400.png 400w" sizes="(max-width: 600px) 100vw, 600px" />

National History Day 教育工作者在庆祝《独立宣言》 250 周年之前提供课程以扩大课堂材料收藏

2023年12月10日

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