Since 1853
Explore the comprehensive timeline of Aetna, highlighting key milestones and significant events from its founding in 1853 to its evolution into a leading health care benefits company. Learn about the major mergers, acquisitions, and innovations that have shaped Aetna's journey.
Discover commonly asked questions regarding Aetna. If there are any questions we may have overlooked, please let us know.
When did Aetna become part of CVS Health?
What was Aetna's original business focus?
When was Aetna founded?
What significant changes occurred in Aetna's timeline in the 1990s?
People, places and organizations that appear in Aetna’s events
Explore the historical timeline of the United States, covering key events from its founding to the present day. Delve into significant milestones that have shaped the nation, including the American Revolution, Civil War, civil rights movements, and more. Understand the critical moments that have influenced the social, political, and cultural evolution of America.
Explore the extensive history of ING Group, detailing key events and milestones from its inception to the present. This timeline highlights ING's growth, major acquisitions, innovations, and its evolution as a leading financial services company.

Explore the rich history of Coventry through this detailed timeline. From its founding in the early medieval period to its transformation in the modern era, discover the key events that have shaped Coventry into the vibrant city it is today. Dive into significant historical moments, including the establishment of its famous cathedral, its role during the Industrial Revolution, and its resilience and rebuilding efforts post-World War II.

Explore a comprehensive timeline of the COVID-19 pandemic, from its emergence in late 2019 to the global efforts in vaccination and containment. Understand key events, milestones, and responses that shaped the course of this unprecedented global health crisis.