International Committee of the Red Cross additional protocol to the Geneva Convention was adopted in 1925 which outlawed the use of suffocating or poisonous gases and biological agents as weapons. Four years later, the original Convention was revised and the second Geneva Convention "relative to the Treatment of Prisoners of War" was established. The events of World War I and the respective activities of the ICRC significantly increased the reputation and authority of the Committee among the international community and led to an extension of its competencies. As early as in 1934, a draft proposal for an additional convention for the protection of the civil population
International Committee of the Red Cross four conventions and their added protocols contain more than 600 articles, a remarkable expansion when compared to the mere 10 articles in the first 1864 convention. In celebration of its centennial in 1963, the ICRC, together with the League of Red Cross Societies, received its third Nobel Peace Prize. Since 1993, non-Swiss individuals have been allowed to serve as Committee delegates abroad, a task which was previously restricted to Swiss citizens. Indeed, since then, the share of staff without Swiss citizenship has increased to about 35%. On 16 October 1990, the UN General Assembly decided to grant the ICRC observer