The crisis faced by UNO were:
1. Korean War: In 1950, a war broke out between the North and the South Korea. UNO made many attempts to stop this war. It was with the efforts of UNO that cease-fire was declared in 1953 between the two parts of Korea.
2. Suez Crisis: In 1956 the British, the French and the Israel forces invaded Egypt and stationed their combined forces on the Suez canal. The UNO forces helped in the withdrawal of the combined force thus established peace.
3. Congo Crisis: In 1960, there was civil war in Congo. Belgium instigated the Congo province to withdraw from the Congo Union. UNO sent its peace forces to establish normalcy there.
4. Somalia Crisis: In 1991, Somalia in the African continent, was put under military rule and President Mohammad Sayyed was dismissed. There was famine and as a result the economic condition deteriorated. UNO sent food grains, medicines and armed forces.
