This document summarizes Pfizer's history and global operations. It traces the company's founding in 1849 and key developments, including mass producing citric acid in 1900, producing penicillin in the 1940s, and launching Viagra in 1998. It provides financial data and notes Pfizer's global sales distribution, international growth through foreign expansion and acquisitions. The document also describes Pfizer's global strategy of replacing expiring patents through R&D, intellectual property protection, and financial strategies to coordinate its worldwide pharmaceutical manufacturing, marketing and distribution networks.