Final answer:
OSHA was formally created on April 28, 1971, with the enactment of the OSHA Act. Its mission is to ensure safe and healthful working conditions for workers.
Step-by-step explanation:
OSHA was formally created on April 28, 1971, when the Occupational Safety and Health Act (OSHA Act) became effective. The agency was established to protect workers from physical harm in the workplace. Its mission is to set and enforce standards, provide training and education, and ensure safe and healthful working conditions for working men and women.