| 1922 | Mott Children’s Hospital, Michigan established early play programs for children |
| 1929 | Babies and Children’s Hospital of Columbia Presbyterian, New York established early play programs for children |
| 1936 | Montreal Children’s Hospital, Quebec established early play programs for children, by 1949 at least 9 North American programs in existence |
| 1955 | Emma Plank was asked by Dr. Fred Robbins (Nobel Laureate) to create a program to address the social, emotional and educational needs of hospitalized children at Cleveland City Hospital. Emma Plank served as director for the Child Life and Education Division until 1972. |
| 1962 | Emma Plank authored the book, Working with Children in Hospitals. |
| 1965 | Organizing committee met to discuss creating an organization, established in 1966, called the Association for the Well-Being of Hospitalized Children and Their Families (renamed the Association for the Care of Children in Hospitals, or ACCH in 1967). |
| 1970s and 1980s | Child life movement experienced rapid growth. Many new programs were started. |
| 1971-1976 | ACCH held pre- or post-conference workshops for child life, play and recreation therapists to focus on skill development |
| 1974 | A Child Life/Activity Specialist Committee was formed within ACCH and became a Study Section in 1975. |
| 1978 | A Child Life Task Force was formed within the Study Section to work on professional standards and staff accreditation. This group met before and after the 1979 ACCH conference. |
| 1978 | Canadian child life directors met in Hamilton, Ontario, at Ruth Snider’s initiation, to discuss Canadian child life issues, and agreed to meet yearly. |
| 1981 | An Ad Hoc Committee on Structure for Child Life Professional Issues was established at the ACCH Board meeting. The group recommended the formation of the Child Life Council. |
| 1982 | Child Life Council (CLC) was formed. In 1983 there were 235 members. |
| 1983 | Phoenix Research Project began at Phoenix Children's Hospital, funded by ACCH. The results of the study became the theoretical framework and justification for child life practice. |
| 1986 | Professional certification by method of credentialing was established. |
| 1987 | Canadian Association of Child Life Directors was formed (renamed Canadian Association of Child Life Leaders in 1996). |
| 1988 | “An experimental evaluation of a model child life program” was published. The conclusion was that “this type of systemic child life care has a significant positive impact on hospitalization.” CLC membership passed 800. |
| 1996 | The Vision-to-Action strategic planning initiative for the child life profession was carried out. |
| 1997 | The Mission, Values and Vision and Operating Principles for child life specialists were published. |
| 1998 | Professional certification by method of examination was established. CLC membership reached 1,500. |
| 2001 | CLC sponsored the first annual Child Life Week. Membership reached more than 2,000. About 400 child life programs in existence. |
| 2002 | Child Life Council celebrated its 20th anniversary. |
| 2005 | CLC membership reached more than 3,000. About 470 documented child life programs in existence. |
| 2007 | Child Life Council celebrated its 25th anniversary. |
| 2008 | CLC released Child Life Beyond the Hospital, a publication dedicated to the topic of child life practice in alternative settings. |