answers: 1928
context: United Nations War Crimes Commission The United Nations War Crimes Commission, initially called the United Nations Commission for the Investigation of War Crimes, was a commission of the United Nations that investigated allegations of war crimes committed by Nazi Germany and the other Axis powers in World War II. The Commission began its work at the behest of the British government and the other Allied nations in 1943, prior to the formal establishment of the United Nations itself, in October, 1945. The announcement of the establishment of the Commission was made by the Lord Chancellor John Simon in the House </s> 2002 and taking office in February 2003; the IPCC existed in shadow form from 1 April 2003, and replaced the Police Complaints Authority on 1 April 2004. The IPCC's last chief executive was Lesley Longstone, who was responsible for running the organisation which supports the work of the commission. Kelly was also the IPCC's accounting officer and was accountable to the Home Office Principal Accounting Officer and to Parliament. Susan Atkins was appointed to be the first chief executive of the IPCC in 2003. As well as employing its own independent investigators to investigate the most serious cases, the IPCC </s> the International Police Conference in New York in 1922. The Monaco Congress failed because it was organized by legal experts and political officials, not by police professionals, while the New York Conference failed to attract international attention. In 1923, a new initiative was taken at the International Criminal Police Congress in Vienna, where the International Criminal Police Commission (ICPC) was successfully founded as the direct forerunner of INTERPOL. Founding members included police officials from Austria, Germany, Belgium, Poland, China, Egypt, France, Greece, Hungary, Italy, the Netherlands, Romania, Sweden, Switzerland, and Yugoslavia. The United Kingdom joined in 1928. The United States
question: when did the uk join as a member in international criminal police commission