Russians had changed to a grey shade of khaki in 1908, following their experience in the Russo-Japanese War of 1905. There was however strong attachment to the colourful uniforms as previously worn on all occasions and the process was not an inexorable one. The Danish Army adopted grey-green uniforms for all occasions in 1903, reverted to a combination of dark and light blue in 1910, took up light grey in 1915 and finally settled for khaki in 1923. The Imperial Russian armies, following their adoption of khaki-grey field uniforms in 1908, took the opportunity to upgrade their parade uniforms to much more elaborate and colorful styles, and were experimenting with a mix of khaki and bright colours when war broke out in 1914. The Japanese Army probably went further than most in adopting khaki for all occasions after 1905, although even here officers of all branches and the cavalry of the Imperial Guard retained traditional coloured uniforms for formal and ceremonial occasions. With the exception of Western-influenced units such as the "Ever-Triumphant Army" of the Taiping Rebellion (1851–66), Chinese armies of the 19th century wore dress that was broadly variegated. Embroidered chest panels and coloured buttons on headdresses were used to distinguish rank and sometimes unit. From 1910 the Imperial Chinese Army adopted dark blue uniforms of Japanese style with coloured facings of red, white, or yellow to distinguish the different branches. The Imperial Guard Division had a light grey uniform with the same branch colours as the line. A khaki summer uniform was worn by the entire army. By the 20th century, drab colours were increasingly being adopted for active service and ordinary duty wear. The First World War finally put an end to the expensive practice of furnishing colourful uniforms to all ranks of the various armies. Amongst the frontline troops in August 1914 only the Belgian and French armies saw active service in bright colours and old fashioned headgear (although the Austro-Hungarian cavalry retained their blue and red uniforms for field wear after the remainder of the army had gone into pike grey in 1909). The Imperial German field grey of 1910 retained a number of traditional features such as spiked helmets, shakos, busbies, and coloured piping from the older uniforms. The demands of modern warfare as well as financial economy soon saw these survivals vanish, and by 1916 all involved armies were in either khaki (Russia,