led to a reduction of children in military organisations worldwide. the recruitment and use of children remains widespread. In particular, militant Islamist organisations such as ISIS and Boko Haram, as well as armed groups fighting them, have used children extensively. In addition, the three most populous states – China, India and the United States – still allow their armed forces to enlist children aged 16 or 17, as do five of the Group of Seven countries: Canada, France, Germany, the United Kingdom and the United States, again. Events Red Hand Day (also known as the International Day Against the Use of Child Soldiers) on 12February is an annual commemoration day to draw public attention to the practice of using children as soldiers in wars and armed conflicts. The date reflects the entry into force of the Optional Protocol on the Involvement of Children in Armed Conflict. Countering the militarisation of childhood . Many states which do not allow their armed forces to recruit children have continued to draw criticism for marketing military life to children through the education system, in civic spaces and in popular entertainment such as films and videogames. Some commentators have argued that this marketing to children is manipulative and part of a military recruitment process and should therefore be evaluated ethically as such. This principle has led some groups to campaign for relations between military organisations and young people to be regulated, on the grounds of children's rights and public health. Examples are the Countering the Militarization of Youth programme of War Resisters' International, the Stop Recruiting Kids campaign in the US, and the Military Out of Schools campaign in the UK. Similar concerns have been raised in Germany and Israel. Rehabilitation and reintegration of child soldiers Child Soldiers International defines reintegration as: "The process through which children formerly associated with armed forces/groups are supported to return to civilian life and play a valued role in their families and communities" Programs that aim to rehabilitate and reintegrate child soldiers, such as those sponsored by UNICEF, often emphasise three components: family reunification/community network, psychological support, and education/economic opportunity. These efforts take a minimum commitment of 3 to 5 years in order for programs to be successfully implemented. Generally, reintegration efforts seek to return children to a safe environment, to create a sense of forgiveness on the behalf of the child's family and community through religious and cultural