# A century of change: Milestones in the history of intellectual disability, 1900–2013

### At-a-glance

##### Topics
Developmental disabilities & delays

##### Resource Types
Infographics

##### Author
Michael L. Wehmeyer

#### Share This Resource

Learn about historic milestones related to the treatment of people with intellectual disabilities with this illustrated timeline, which spans more than 100 years. This timeline is adapted from The Story of Intellectual Disability.

[View the infographic](/content/wp-content/uploads/2021/06/story-of-intellectual-disability.pdf)