Historical Timelines
The Department of Industrial Relations (DIR) was created to improve working conditions for California's wage earners and to advance opportunities for profitable employment in California. With the 100th anniversary of the Division of Workers' Compensation (DWC), the 40th anniversary of Cal/OSHA, and the 20th anniversary of the Commission on Health and Safety and Workers' Compensation (CHSWC), DIR celebrates a century of commitment to workers and employers. Visit the timelines below to learn about the stories, people, and landmarks that have made the past 100 years such an incredible journey.