List of National Border Changes Since World War I - Asia

Asia

• 1921 — The Soviet satellite state of Tannu Tuva is formed after Bolshevik revolutionaries take the region by force from Mongolia
• 1922 - The Saudi-Iraqi neutral zone is created.
• 1928 - The ICJ awards the Island of Palmas from the Philippines to the Dutch East Indies.
• 1932 February 18 — The Empire of Japan declares Manchukuo independent of China
• 1936 May 12 — Japan declares Mengjiang independent of China.
• 1938 — The British split Burma off from the rest of India. Hatay State, a city-state, is formed when it separates from French-held Syria.
• 1939 — Hatay joins Turkey.
• World War II — In the early stages of World War II in the Pacific, Japan made steady gains against the Allies. In 1940, with the collapse of France in Europe, the new Vichy regime allows Japan to annex French Indochina. After the attack on Pearl Harbor, Japan proceeds to occupy Wake Island, the Philippines, British Malaya, the Dutch East Indies, northern New Guinea and a number of pacific islands. Also Japan begins attacks against British-held Burma and India, and creates a puppet regime in Burma. From 1943 to its defeat, Japan steadily loses territory in the Pacific to the Allies and in 1945, Japan surrenders, abolishing its remaining puppet regimes in Manchukuo and Menjiang, and abandoning its hold on Korea.
• 1944 — USSR annexes Tannu Tuva
• 1945 — The Republic of China annexes Taiwan
• 1946 April 1 — Straits Settlements, Unfederated Malay States and Federated Malay States join to form the Malayan Union. (Although these could have been considered remaining part of British Malaya). Jordan becomes independent after separating from the British Mandate of Palestine. The Turtle Islands is awarded by Britain to the Philippines.
• 1947 August — The Partition of India as India and Pakistan are given independence from Britain
• 1948 — The British Mandate of Palestine is dissolved, Israel is created based on the UN partition plan, while the Arabs reject the state granted by the UN and attack Israel starting the Arab–Israeli War. Jordan and Egypt capture much of the proposed Arab state, while Israel gains other land in the fighting.
• 1948 - After war between India and Pakistan over Kashmir, a Line of Control is created in Kashmir, creating Indian and Pakistani controlled zones.
• 1949 — The Republic of China loses control of all of mainland China to the newly formed People's Republic of China in the Chinese Civil War
• 1949 — The Arab–Israeli War ends in an armistice, with Israel gaining sections of the undefined Arab territories of the former mandate, that were to be organized and founded as a state in 1948, with the war disrupting that. Egypt and Jordan also gain sections of the Arab territories, with Egypt gaining the Gaza Strip and Jordan gaining the West Bank.
• 1950 — Chandannagar is taken over by India from French control.
• 1953 — Following the Korean War, the boundary between North Korea and South Korea is the Military Demarcation Line, which roughly follows the previous 38th parallel
• 1954 — Bands of Indian irregulars took over the Portuguese enclaves of Dadra and Nagar Haveli. On June 13, the port of Mahé breaks away from French rule and joins India. French Indochina dissolves, and the nations of Cambodia, Laos, and Vietnam become independent states.
• 1960 — Cyprus declares its independence from the United Kingdom. The Sovereign Base Areas of Akrotiri and Dhekelia are established on the island of Cyprus by the United Kingdom
• 1961 December 19 — India takes over the Portuguese colony of Goa, Daman and Diu, which becomes a single Union Territory of India. In 1987, Goa is elevated to full statehood, with Daman and Diu remaining a Union Territory.
• 1962 August 16 — India officially absorbs the French enclaves of Pondicherry.
• 1962 - The Federation of South Arabia is created.
• 1963 - The Protectorate of South Arabia is created.
• 1963 - Pakistan cedes claimed areas of Kashmir to the People's Republic of China.
• 1963 September 16 — Singapore, British North Borneo (renamed Sabah), Sarawak and Malaya join to form Malaysia
• 1965 August 9 — Singapore withdraws from Malaysia
• 1967 - The Federation of South Arabia and the Protectorate of South Arabia join to form South Yemen.
• 1967 June — Egypt loses the Gaza Strip to Israel while Jordan loses the West Bank to Israel following the Six-Day War
• 1969 December 18 — Saudi–Kuwaiti neutral zone partitioned between Kuwait and Saudi Arabia
• 1971 December 16 — Bangladesh becomes independent.
• 1975 May 16 — Sikkim becomes part of India
• 1976 July 2 — South Vietnam and the North Vietnam were officially unified as Vietnam
• 1990 May 22 — North Yemen unites with South Yemen. August 2 — Kuwait annexed by Iraq
• 1991 February 27 — Kuwait liberated from Iraq; Saudi–Iraqi neutral zone is officially recognized as being disbanded, it was de facto disbanded since 1981.
• 1994 — The Palestinian National Authority is created, resulting in Israel officially recognizing the borders between of the Palestinian territories of the Gaza Strip and the West Bank.
• 1997 July 1 — Hong Kong transferred to People's Republic of China by Britain as a special administrative region.
• 1999 December 20 — Macau transferred to People's Republic of China by Portugal as a special administrative region.
• 2002 May 20 - East Timor gains independence from Indonesia.
• 2005 August - All of the Gaza Strip is handed to the Palestinian Authority by Israel when it dismantled all of its settlement blocs there.