Original: On October 15, 1914, immediately after the start of the war, the ICRC set up its International Prisoners-of-War (POW) Agency, which had about 1,200 mostly volunteer staff members by the end of 1914.
Simplified: On 15 October 1914, immediately after the start of the war, the ICRC set up its International Prisoners-of-War (POW) Agency.