Unfederated Malay States Negeri-Negeri Melayu Tidak Bersekutu (Malay)
1909–1942 1942–1945 (Japanese occupation) 1945–1946
Malaya in 1922:   Unfederated Malay States   Federated Malay States   Straits Settlements
Status	Federal protectorate of the British Empire
Common languages	Malay English
Religion	Sunni Islam
Membership	Johor Kedah Kelantan  Perlis  Terengganu
Government	Constitutional monarchy
Monarch
• 1909–1910 (first)	Edward VII
• 1936–1942; 1945–1946 (last)	George VI
Historical era	British Empire
• Anglo-Siamese Treaty	9 July 1909
• Japanese occupation	15 February 1942 – 2 September 1945
• Japanese surrender	2 September 1945
• Malayan Union	1 April 1946
Currency	Straits dollar (1909–1939) Malayan dollar (1939–1942; 1945–1946)
Preceded by Succeeded by Johor Kedah Kelantan Perlis Terengganu Rattanakosin Kingdom Japanese occupation of Malaya Si Rat Malai British Military Administration (Malaya) Malayan Union
Today part of	Malaysia

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History of Malaysia
Prehistoric Malaysia Prehistoric Malaysia
Early kingdoms Gangga Negara 2nd–11th century Langkasuka 2nd–14th century Chi Tu 2nd–6th century Pan Pan 3rd–5th century Kedah Tua 5th–9th century Pahang Tua 5th–15th century Melayu 7th–14th century Srivijaya 650–1275 Majapahit 1293–1500
Rise of Muslim states Kedah Sultanate 1136–present Samudera Pasai Sultanate 1267–1521 Brunei Sultanate 1368–present Malacca Sultanate 1402–1511 Sulu Sultanate 1450–1899 Pahang Sultanate 1470–1623 Aceh Sultanate 1496–1903 Pattani Sultanate 1516– 1902 Johor Sultanate 1528–present Sarawak Sultanate 1599–1641 Besut Kingdom 1780–1899 Setul Kingdom 1808–1916 Reman Kingdom 1810–1902 Kubang Pasu Kingdom 1839–1864
Colonial era Portuguese Malacca 1511–1641 Dutch–Portuguese War 1601–1661 Acehnese conquest of Perak 1620 Dutch Malacca 1641–1824 Pahang Kingdom 1770–1881 Straits Settlements 1786–1946 Siamese invasion of Kedah 1821–1826 Anglo-Dutch Treaty 1824 Burney Treaty 1826 Naning War 1831–1832 Kingdom of Sarawak 1841–1946 Separation of Perlis from Kedah 1843 Crown Colony of Labuan 1848–1946 Pahang Civil War 1857–1863 Larut Wars 1861–1874 Klang War 1867–1874 Pangkor Treaty 1874 Perak War 1875–1876 British Malaya / Borneo 1874–1946 Jementah Civil War 1879 North Borneo 1882–1946 Pahang Uprising 1891–1895 Federated Malay States 1895–1946 Anglo-Siamese Treaty 1909 Unfederated Malay States 1909–1946 Battle of Penang 1914 Kelantan rebellion 1915
World War II Japanese occupation of Malaya / Borneo 1941–1945 Malayan campaign 1941–1942 Bornean Campaign 1941–1942 Battle of Muar 1942 Parit Sulong Massacre 1942 Battle of Singapore 1942 Sook Ching 1942 Syburi 1942 Sandakan Death Marches 1942–1945 Si Rat Malai 1943–1945 Jesselton revolt 1943–1944
Formative era BMA of Malaya/Borneo 1945–1946 Crown Colony of N. Borneo 1946–1963 Crown Colony of Sarawak 1946–1963 Anti-cession movement 1946–1963 Malayan Union 1946–1948 Federation of Malaya 1948–1963 Sungai Siput incident 1948 Malayan Emergency 1948–1960 Batang Kali massacre 1948 Bukit Kepong incident 1950 Baling Talks 1955 Malayan Independence 1957 Singapore Self-governance 1959 ISA 1960 1960–2012 Communist insurgency in Sarawak 1962–1990 North Borneo Self-governance 1963 Konfrontasi 1963–1966 Sarawak Self-governance 1963 Formation of Malaysia 1963 Singapore in Malaysia 1963–1965 ASEAN Declaration 1967 Second communist insurgency 1968–1989 13 May incident 1969 National Operations Council 1969–1971 Declaration of Rukun Negara 1970 New Economic Policy 1971–1990 Peace Agreement of Hat Yai 1989
Barisan Nasional era Federal Territory of KL 1974 1977 Kelantan Emergency 1977 Pedra Branca dispute 1979–2008 South China Sea dispute (Spratly) 1980–present Federal Territory of Labuan 1984 Memali incident 1985 Operation Lalang 1987 Constitutional crisis 1987–1988 Royal Immunity Amendments 1993 Financial crisis 1997–1998 Reformasi Movement 1998–2022 1MDB scandal 2015–present
Multi-party era Pakatan Harapan takeover 2018 COVID-19 pandemic 2020–present Political crisis 2020–2022 Constitutional amendment 2021–2023 Green Wave 2022-present
Incidents Brunei revolt 1962–1966 North Borneo dispute (Philippine militant attacks) 1962–present Singapore race riots 1964 Brunei's Limbang claim 1967–2009 Penang Hartal riot 1967 13 May Incident 1969 Ligitan and Sipadan dispute 1969–2002 Kuala Lumpur flash floods 1971 Malaysian haze crisis 1972–present AIA building hostage crisis 1975 National Monument bombing 1975 Campbell Shopping Complex fire 1976 Sabah Air GAF Nomad crash 1976 Japan Airlines Flight 715 incident 1977 MH653 incident 1977 Dawn Raid 1981 1985 Lahad Datu ambush 1985 Memali Incident 1985 Sabah Emergency 1986 Ming Court Affair 1987 Penang terminal bridge collapse 1988 Taufiqiah Al-Khairiah madrasa fire 1989 Bright Sparklers disaster 1991 Highland Towers collapse 1993 Genting landslide 1995 MH2133 incident 1995 Pos Dipang mudflow 1996 Tropical Storm Greg 1996 1998–1999 Malaysia Nipah virus outbreak 1998–1999 Al-Ma'unah incident 2000 Sauk Siege 2000 2001 Kampung Medan riots 2001 2002 Taman Hillview landslide 2002 Tsunami in Malaysia 2004 2006–2007 Southeast Asian floods 2006-2007 Bukit Gantang bus crash 2007 Bukit Antarabangsa landslide 2008 2009 swine flu pandemic in Malaysia 2009 Attacks against places of worship 2010 Cameron Highlands bus crash 2010 Hulu Langat landslide 2011 Genting Highlands bus crash 2013 MH370 incident 2014 MH17 incident 2014 2014–15 Malaysia floods 2014–2015 Sabah earthquake 2015 2015 Plaza Low Yat riot 2015 Movida Bar grenade attack 2016 Kim Jong-nam's Assassination 2017 Darul Quran madrasa fire 2017 2018 Subang Temple riot 2018 2020-21 Malaysia floods 2021 LRT train collision 2021 2021-22 Malaysia floods 2021–2022 2022 Batang Kali landslide 2022 2023 Elmina plane crash 2023
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The term "Unfederated Malay States" (Malay: Negeri-Negeri Melayu Tidak Bersekutu; Jawi: نݢري٢ ملايو برسکوتو) was the collective name given to five British protected states in the Malay Peninsula during the first half of the 20th century. These states were Johor, Kedah, Kelantan, Perlis, and Terengganu. In contrast with the four adjoining Federated Malay States of Selangor, Perak, Pahang, and Negeri Sembilan, the five Unfederated Malay States lacked common institutions, and did not form a single state in international law; they were in fact standalone British protectorates.

In 1946, the British colony of the Straits Settlements was dissolved. Penang and Malacca, which had formed a part of the Straits Settlements, were then grouped with the Unfederated Malay States and the Federated Malay States to form the Malayan Union. In 1948, the Malayan Union was reconstituted as a federation of eleven states known as the Federation of Malaya. Nine of the states of the new Federation of Malaya continued as British Protected States, while two of them, Penang and Malacca, remained as British colonies. The Federation of Malaya gained full independence from the United Kingdom on 31 August 1957.

History

Johor accepted a treaty of protection with the United Kingdom in 1885, and eventually succumbed to British pressure to accept a resident "Advisor" in 1914. Unlike the other Malay states under British protection, however, Johor remained outside of the Federated Malay States (formed in 1895).

Under the Bangkok Treaty of 1909, Siam transferred its rights over some of the northern Malay states (Kelantan, Terengganu, Kedah, and Perlis) to the United Kingdom.^[1] These states then became British Protected States. With the assistance of Japan, they temporarily returned to Thai jurisdiction for the latter part of the Second World War.

Administration and language

The chief officer of the British colonial administration was the "Advisor". In contrast with the Federated Malay States, the Unfederated Malay States enjoyed greater autonomy. The de facto official language of the Unfederated Malay States was Malay (written with the Jawi script).

Evolution of Malaysia

References