South Yemen in the context of "Eastern bloc"

Yemen, officially the Republic of Yemen, is a country in West Asia. Including the Socotra Archipelago, mainland Yemen is located in southern Arabia; bordering Saudi Arabia to the north, Oman to the northeast, the south-eastern part of the Arabian Sea to the east, the Gulf of Aden to the south, and the Red Sea to the west, sharing maritime borders with Djibouti, Eritrea, and Somalia across the Horn of Africa. Covering roughly 455,503 square kilometres (175,871 square miles), with a coastline of approximately 2,000 kilometres (1,200 miles), Yemen is the second largest country on the Arabian Peninsula. Sanaa is its constitutional capital and largest city. Yemen's estimated population is 34.7 million, mostly Arab Muslims. It is a member of the Arab League, the United Nations, the Non-Aligned Movement and the Organisation of Islamic Cooperation.

Owing to its geographic location, Yemen has been at the crossroads of many civilisations for over 7,000 years. The Sabaeans formed a thriving commercial kingdom that influenced parts of modern Ethiopia and Eritrea. In 275 CE, it was succeeded by the Himyarite Kingdom, which spanned much of Yemen's present-day territory and was heavily influenced by Judaism. Christianity arrived in the fourth century, followed by the rapid spread of Islam in the seventh century. From its conversion to Islam, Yemen became a center of Islamic learning, and Yemenite troops played a crucial role in early Islamic conquests. Much of Yemen's architecture survived until modern times. For centuries, it was a primary producer of coffee, exported through the port of Mocha. Various dynasties emerged between the 9th and 16th centuries. During the 19th century, the country was divided between the Ottoman and British empires. After World War I, the Kingdom of Yemen was established, which in 1962 became the Yemen Arab Republic (North Yemen) following a civil war. In 1967, the People's Democratic Republic of Yemen (South Yemen) gained its independence from the British Aden Protectorate, becoming the first and only communist state in the Middle East and the Arab world. In 1990, the two Yemeni states united to form the modern Republic of Yemen, with Ali Abdullah Saleh serving as the first president until his resignation in 2012 in the wake of the Arab Spring.

The Eastern Bloc, also known as the Communist Bloc (Combloc), the Socialist Bloc, the Workers Bloc, and the Soviet Bloc, was an unofficial coalition of Communist states of Central and Eastern Europe, Asia, Africa, and Latin America that were aligned with the Soviet Union and existed during the Cold War (1947–1991). These states followed the ideology of Marxism–Leninism and various types of socialism, in opposition to the capitalist Western Bloc. The Eastern Bloc was often called the "Second World", whereas the term "First World" referred to the Western Bloc and "Third World" referred to the non-aligned countries that were mainly in Africa, Asia, and Latin America but notably also included former pre-1948 Soviet ally Yugoslavia, which was located in Europe.

In Western Europe, the term Eastern Bloc generally referred to the USSR and Central and Eastern European countries in the Comecon (East Germany, Poland, Czechoslovakia, Hungary, Romania, Bulgaria, and Albania). In Asia, the Eastern Bloc comprised Mongolia, Vietnam, Laos, Kampuchea, North Korea, South Yemen and China. In the Americas, the countries aligned with the Soviet Union included Cuba from 1961 and for limited periods Nicaragua and Grenada.

The Yemen Arab Republic (YAR; Arabic: الجمهورية العربية اليمنية al-Jumhūriyyah al-‘arabiyyah al-Yamaniyyah, French: République arabe du Yémen), also known as Yemen (Sanaʽa) and commonly referred to as North Yemen, was a country that existed from 1962 until its unification with the People's Democratic Republic of Yemen (commonly known as South Yemen) in 1990, in the northwestern part of what is now Yemen. Its capital was Sana'a. It bordered South Yemen to the southeast, Saudi Arabia to the north and the Red Sea to the west, sharing maritime borders with Djibouti and the People's Democratic Republic of Ethiopia.

The Yemen Arab Republic was formed in 1962, when a coup in the capital Sana'a saw Nasserist military officers overthrow the monarchy and proclaim a republic. The overthrow triggered an 8-year civil war that ended with the defeat of the monarchists and the victory of pro-republican forces. The following years were marked by political instability, civil conflicts, frequent political assassinations and military coups: the country was ruled by a military junta from 1962 to 1967 and again from 1974 to 1978. Relative stability began with the rise to power of Ali Abdullah Saleh, who was able to successfully consolidate his position in the government. The YAR eventually managed to establish good relations with many Arab states and the United States, for which it served as a counterweight to communist South Yemen, but it maintained ties with the USSR, relying on the weapons it purchased from it. On May 22, 1990, the YAR united with the PDRY (South Yemen) to form the current Republic of Yemen, under the leadership of Saleh.

The Yemeni unification took place on 22 May 1990, when the People's Democratic Republic of Yemen (South Yemen) and the Yemen Arab Republic (North Yemen) united, forming the Republic of Yemen.

North Yemen (Arabic: اليمن الشمالي, romanized: al-Yaman al-šamāliyya) is a term used to describe the Kingdom of Yemen (1918–1962), the Yemen Arab Republic (1962–1990), and the regimes that preceded them and exercised sovereignty over that region of Yemen. Its capital was Sanaa from 1918 to 1948 and again from 1962 to 1990. Located in the southwestern part of the Arabian Peninsula, the area of the region (Upper Yemen) is 195,000 square kilometers, it used to have a population of about thirteen million people prior to the Yemeni unification. It was bordered to the north by Saudi Arabia, to the south and east by South Yemen, to the west by the Red Sea, and to Bab al-Mandab in the southwest.

North Yemen was admitted to the United Nations on September 30, 1947. In 1962, the country fought a bloody civil war that ended with the abolition of the monarchy and the creation of a republic in 1970. It was one of the predecessor states of the Republic of Yemen, alongside South Yemen, until its eventual unification in 1990.

Slavery in Yemen (Arabic: العبودية في اليمن) was formally abolished in the 1960s. However, it has been reported that enslavement still occurred in the 21st century.

Chattel slavery in Yemen was abolished in two stages between 1962 and 1967. The 1962 revolution in Yemen led to the abolition of slavery by the government in North Yemen, but slavery in South Yemen was not abolished until the socialist National Liberation Front (NFL) took power when the British left in 1967. Al-Muhamashīn are descendants of the former slaves.

The Protectorate of South Arabia (Arabic: محمية الجنوب العربي), also known as the Eastern Aden Protectorate, consisted of various states located at the southern end of the Arabian Peninsula under treaties of protection with Britain. The area of the former protectorate became part of South Yemen after the Aden Emergency and is now part of the Republic of Yemen.