“我国三年自然灾害时期”用英语怎么说？

the three year natural disaster of China

Natural calamity period of three years in our country

the period of China's three year natural disaster

应该翻译成:Three Years of Natural Disasters in China

详细资料:
Three Years of Natural Disasters
The Three Years of Natural Disasters (Simplified:三年自然灾害; Traditional:三年自然灾害; pinyin: sān nián zì rán zāi hài) refers to the period in the People's Republic of China between 1959 and 1961, in which a combination of poor economic policies and rounds of natural disasters caused widespread famine. "Three Years of Economic Difficulty" and "Three Bitter Years" are also used by Chinese officials to describe this period.

Causes
The causes and extent of the disaster are keenly debated. Until the early 1980's, the Chinese Government's stance, reflected by the name "Three Years of Natural Disasters", was that the famine was largely a result of a series of unfortuna