RT @UNYearbook: #OTD in 1956, the First Emergency Special Session of the General Assembly—meeting on the Suez crisis—established the first armed @UNPeacekeeping mission, the UN Emergency Force, to oversee the ceasefire in the #SuezCanal area. Learn more from @UNYearbook https://t.co/nGR91eymx5. https://t.co/vTifbip2qR