October 31
British Cabinet Approves Balfour Declaration
The British War Cabinet's decision on October 31, 1917, paved the way for the first official expression of support by a major power for a Jewish national home in Palestine.
Summary
World War I had reached a critical phase with Britain fighting the Ottoman Empire in the Middle East while seeking allies. Zionist leaders, including Chaim Weizmann, lobbied British officials for support of a Jewish national home in Palestine to aid the Allied war effort and counter German influence. After months of discussion, the British War Cabinet met on October 31, 1917, and authorized Foreign Secretary Arthur Balfour to issue a statement favoring a Jewish national home in Palestine while protecting non-Jewish communities. The decision reflected strategic calculations about Jewish support worldwide and postwar territorial arrangements.
Context
During the First World War, Britain had declared war on the Ottoman Empire in November 1914 and began weighing options for the postwar disposition of Ottoman territories, including Palestine. Earlier British interest in the region had mixed strategic motives with evangelical Christian ideas about the restoration of Jews there, though practical efforts remained limited until the war revived such calculations. The replacement of Prime Minister H. H. Asquith by David Lloyd George in December 1916 shifted policy toward partitioning the Ottoman Empire rather than preserving it in reformed form.
What Happened
Zionist leaders, notably Chaim Weizmann and others in Britain, had been pressing for government backing since early 1917, including at a February conference with officials such as Sir Mark Sykes. By June, Foreign Secretary Arthur Balfour asked Lord Rothschild and Weizmann to prepare a draft statement. Multiple versions circulated through the summer and autumn, incorporating views from both Zionist and non-Zionist Jewish figures but excluding input from the Arab majority in Palestine itself.
Aftermath
The Cabinet's authorization on 31 October allowed Balfour to send the final letter to Lord Rothschild on 2 November 1917. The text was released to the press on 9 November and quickly amplified Zionist organizing worldwide while drawing immediate criticism from Arab representatives and some British officials concerned about conflicting pledges made to Arab leaders.
Legacy
The declaration became a foundational text for the British Mandate for Palestine after the war and helped legitimize large-scale Jewish immigration and settlement. It remains central to debates over the origins of the Israeli-Palestinian conflict, with later British acknowledgments noting that Arab political rights should have received stronger protection in the original wording.
Why It Matters
The approval laid the foundation for the modern State of Israel and shaped British policy in the Middle East Mandate period. It contributed to decades of Arab-Jewish conflict and remains a cornerstone document in the Israeli-Palestinian dispute.
Related Questions
What exactly did the Balfour Declaration say?
It expressed British favor for establishing a national home for the Jewish people in Palestine while safeguarding the civil and religious rights of existing non-Jewish communities and the rights of Jews elsewhere.
Why did the British government support Zionism in 1917?
Officials saw potential propaganda value among Jewish communities in Allied and neutral countries, alongside hopes of securing postwar influence in the Middle East.
How did the declaration affect Arab populations in Palestine?
It was issued without consulting local Arab leaders and later contributed to tensions, as many Arabs viewed it as incompatible with earlier British promises of Arab independence.
When was the declaration formally published?
The letter was dated 2 November 1917 and appeared in the press on 9 November 1917.
Did the declaration promise a Jewish state?
No; it used the vague term 'national home' without specifying statehood or boundaries, leaving room for later interpretation.
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Sources
- Balfour Declaration, Wikimedia Foundation. Accessed 2026-07-07.