Orange River Colony
The Orange River Colony was a British colony established in the aftermath of the Second Boer War. Created through the occupation and subsequent annexation of the independent Orange Free State, the colony served as a transitional political entity from 1902 until 1910. Its existence marked a pivotal era of reconciliation and political restructuring that eventually led to the formation of the Union of South Africa.
Key Facts
- Established: May 31, 1902, following the Treaty of Vereeniging.
- Capital: Bloemfontein.
- Status: British colony under a constitutional monarchy.
- Key Leaders: Governors Viscount Milner, Earl of Selborne, and Sir Hamilton John Goold-Adams; Prime Minister Abraham Fischer.
- Demographics (1904): A population of 387,315, predominantly Black (58.11%) and White (36.83%).
- End of Status: Absorbed into the Union of South Africa on May 31, 1910, as the Orange Free State Province.
Constitutional History and Annexation
The origins of the colony lie in the conflict of the Second Boer War. British forces invaded the Orange Free State and captured its capital, Bloemfontein, on March 13, 1900. By October 6, 1900, the British government officially declared the annexation of the territory, although the Free State forces remained active and the government continued to operate from Kroonstad.
Independence was formally relinquished only after the ratification of the Treaty of Vereeniging on May 31, 1902. Following the cessation of hostilities, Lord Milner promulgated a new constitution in Bloemfontein on June 23, 1902, and was sworn in as the colony's first Governor and Commander-in-Chief.

Administrative Leadership
Between 1902 and 1910, the colony was led by three successive governors:
- Viscount Milner: June 23, 1902 – April 1, 1905
- Earl of Selborne: April 2, 1905 – June 7, 1907
- Sir Hamilton John Goold-Adams: June 7, 1907 – May 31, 1910

The Path to Self-Government
By 1904, there was a growing demand for self-governance. This led to the formation of the Orangia Unie (Orange Union Party) in May 1906, led by Abraham Fischer. The party aimed to secure the social and political position of Afrikaners, drawing inspiration from the Afrikaner Bond. In contrast, the Constitutional Party, led by Sir John G. Fraser, represented burghers who were content with British rule, though their influence was largely limited to Bloemfontein.
The transition toward autonomy was accelerated by the arrival of Lord Selborne and a shift in British politics when the Liberal Party took office in December 1905. A critical turning point was the Selborne Memorandum of January 7, 1907, which outlined the economic and political advantages of a union between the South African states and helped reconcile the British and Dutch communities.
On November 27, 1907, the colony officially achieved self-government. Abraham Fischer became the first and only Prime Minister, leading a cabinet that included J.B.M. Hertzog (Attorney-General) and Christiaan de Wet (Minister of Agriculture).
Unification and Legacy
In 1908, the Orange River Colony participated in inter-state conferences in Pretoria and Cape Town to discuss customs conventions and railway rates. These meetings paved the way for a National Convention to draft a constitution for a unified state.
With the support of leaders like M.T. Steyn, the colony's legislature agreed to the terms of unification. On May 31, 1910, the Orange River Colony was disestablished and incorporated into the Union of South Africa as the Orange Free State Province. A.E.W. Ramsbottom served as the first administrator of the new province.
Demographics and Society
The colony was a diverse society with a complex religious and ethnic landscape. The 1904 census recorded a total population of 387,315. While the Dutch Reformed Church was the most prominent denomination among the White population, the colony also had significant numbers of Anglicans and adherents of traditional African religions.
| Population Group | Number | Percentage (%) |
|---|---|---|
| Black | 225,101 | 58.11% |
| White | 142,679 | 36.83% |
| Coloured | 19,282 | 4.97% |
| Asian | 253 | 0.06% |
| Total | 387,315 | 100.00% |
Frequently Asked Questions
When was the Orange River Colony established?
The colony was officially established on May 31, 1902, following the Treaty of Vereeniging, although the British had occupied the area since May 1900 and annexed it in October 1900.
Who was the only Prime Minister of the colony?
Abraham Fischer served as the first and only Prime Minister of the Orange River Colony from November 27, 1907, until its incorporation into the Union of South Africa in 1910.
What was the Selborne Memorandum?
Issued on January 7, 1907, the Selborne Memorandum was a comprehensive document that analyzed the economic and political situation in South Africa, arguing for the advantages of a political union to reconcile British and Dutch communities.
What happened to the colony in 1910?
On May 31, 1910, the Orange River Colony ceased to exist as a separate British colony and became the Orange Free State Province within the newly formed Union of South Africa.
What were the primary political parties in the colony?
The two main parties were the Orangia Unie, which sought to protect Afrikaner interests and secure self-government, and the Constitutional Party, which was generally more supportive of British rule.