By the end of April 1975, which city fell to the North Vietnamese Army, leading to the unification of Vietnam?
http://www.history.com/this-day-in-history/south-vietnam-surrenders
The city that fell to the North Vietnamese Army, leading to the unification of Vietnam, by the end of April 1975 is Saigon, now known as Ho Chi Minh City. To find this information, you can follow these steps:
1. Open a web browser or search engine.
2. In the search bar, type "Vietnam War" or "Fall of Saigon."
3. Look for reputable sources such as history websites, encyclopedia entries, or books.
4. Click on a reliable source that provides a comprehensive overview of the Vietnam War or specifically focuses on the fall of Saigon.
5. Scan the article or webpage for the specific date and event which led to the unification of Vietnam.
6. Typically, it will mention that Saigon fell to the North Vietnamese Army at the end of April 1975, resulting in the unification of Vietnam.
Remember to evaluate the credibility of the sources you find to ensure the accuracy of the information provided.