This article presents a timeline of events in the history of the United Kingdom from AD 1900 until AD 1929. For a narrative explaining the overall developments, see the related History of the British Isles.
Timeline of British history (1800–1899) Timeline of British history (1930–1949)
1900 in the United Kingdom, 1900 in England, 1900 in Ireland, 1900 in Scotland, 1900 in Wales
1901 in the United Kingdom, 1901 in England, 1901 in Ireland, 1901 in Scotland, 1901 in Wales
1902 in the United Kingdom, 1902 in England, 1902 in Ireland, 1902 in Scotland, 1902 in Wales
1903 in the United Kingdom, 1903 in England, 1903 in Ireland, 1903 in Scotland, 1903 in Wales
1904 in the United Kingdom, 1904 in England, 1904 in Ireland, 1904 in Scotland, 1904 in Wales
1905 in the United Kingdom, 1905 in England, 1905 in Ireland, 1905 in Scotland, 1905 in Wales
1906 in the United Kingdom, 1906 in England, 1906 in Ireland, 1906 in Scotland, 1906 in Wales
1907 in the United Kingdom, 1907 in England, 1907 in Ireland, 1907 in Scotland, 1907 in Wales
1908 in the United Kingdom, 1908 in England, 1908 in Ireland, 1908 in Scotland, 1908 in Wales
1909 in the United Kingdom, 1909 in England, 1909 in Ireland, 1909 in Scotland, 1909 in Wales
1910 in the United Kingdom, 1910 in England, 1910 in Ireland, 1910 in Scotland, 1910 in Wales
1911 in the United Kingdom, 1911 in England, 1911 in Ireland, 1911 in Scotland, 1911 in Wales
1912 in the United Kingdom, 1912 in England, 1912 in Ireland, 1912 in Scotland, 1912 in Wales
1913 in the United Kingdom, 1913 in England, 1913 in Ireland, 1913 in Scotland, 1913 in Wales
1914 in the United Kingdom, 1914 in England, 1914 in Ireland, 1914 in Scotland, 1914 in Wales
1915 in the United Kingdom, 1915 in England, 1915 in Ireland, 1915 in Scotland, 1915 in Wales
1916 in the United Kingdom, 1916 in England, 1916 in Ireland, 1916 in Scotland, 1916 in Wales
1917 in the United Kingdom, 1917 in England, 1917 in Ireland, 1917 in Scotland, 1917 in Wales
1918 in the United Kingdom, 1918 in England, 1918 in Ireland, 1918 in Scotland, 1918 in Wales
1919 in the United Kingdom, 1919 in England, 1919 in Ireland, 1919 in Scotland, 1919 in Wales
1920 in the United Kingdom, 1920 in England, 1920 in Northern Ireland, 1920 in Scotland, 1920 in Wales
1921 in the United Kingdom, 1921 in England, 1921 in Northern Ireland, 1921 in Scotland, 1921 in Wales
1922 in the United Kingdom, 1922 in England, 1922 in Northern Ireland, 1922 in Scotland, 1922 in Wales
1923 in the United Kingdom, 1923 in England, 1923 in Northern Ireland, 1923 in Scotland, 1923 in Wales
1924 in the United Kingdom, 1924 in England, 1924 in Northern Ireland, 1924 in Scotland, 1924 in Wales
1925 in the United Kingdom, 1925 in England, 1925 in Northern Ireland, 1925 in Scotland, 1925 in Wales
1926 in the United Kingdom, 1926 in England, 1926 in Northern Ireland, 1926 in Scotland, 1926 in Wales
1927 in the United Kingdom, 1927 in England, 1927 in Northern Ireland, 1927 in Scotland, 1927 in Wales
1928 in the United Kingdom, 1928 in England, 1928 in Northern Ireland, 1928 in Scotland, 1928 in Wales
1929 in the United Kingdom, 1929 in England, 1929 in Northern Ireland, 1929 in Scotland, 1929 in Wales
