Company Story
1849 - Pfizer Inc. was founded by cousins Charles Pfizer and Charles F. Erhart in Brooklyn, New York.
1862 - Pfizer developed its first product, a palatable form of santonin, a treatment for parasitic worms.
1900 - Pfizer began producing citric acid, which became a key product for the company.
1940s - Pfizer developed its first antibiotic, Terramycin, which was used to treat a range of bacterial infections.
1950s - Pfizer expanded globally, establishing operations in Europe, Asia, and Latin America.
1980s - Pfizer developed several blockbuster drugs, including Feldene (piroxicam) and Zoloft (sertraline).
1990s - Pfizer acquired several companies, including Warner-Lambert and Pharmacia, expanding its product portfolio.
2000s - Pfizer developed and launched several new products, including Celebrex (celecoxib) and Lyrica (pregabalin).
2009 - Pfizer acquired Wyeth, expanding its portfolio of human and animal health products.
2015 - Pfizer and Allergan announced a merger, but the deal was later terminated due to changes in US tax laws.
2019 - Pfizer acquired Array BioPharma, expanding its oncology portfolio.