Harper's magazine would send him to draw pictures of the biggest event in American history since independence.

VOA: special.2010.07.25

Well, in recent times, I mean,9/11 was a really dramatic event in world history here.

近期的话，9/11是美国历史上惊天动地的大事件。

911事件的影响 - SpeakingMax英语口语达人

Which event do you think is the most important in U.S. history?

你觉得美国历史上最重要的部分是什么？

911事件的影响 - SpeakingMax英语口语达人

This is a free event. Many experts offer advice to Americans researching their family history.

VOA: special.2010.06.28

This event was extremely important in the history of the United States.

VOA: special.2009.01.07

The world could see the history-making event on television.

VOA: special.2009.07.15

The annual event attracts thousands of tourists and history buffs every year.

VOA: standard.2010.07.03