During December, the weather north of Danang (and the Hai Van Pass) can be cool and rainy. January through March are optimal months to travel the length of Vietnam (combined with humidity, it is not as cool as the chart below reflects). However, Sapa does not thaw until around the first week of March.
During the Cambodian Genocide of 1975-1979, approximately 1.7 million people lost their lives (21% of the country's population), it was one of the worst human tragedies â¦ of the 20th century. 23 people found this useful.
The second-deadliest war was World War II, with 405,399 Americans killed; the third-deadliest was World War I, which killed 116,516 Americans. To date, approximately 1.3 million Americans have died in all U.S. wars.