This document provides a chronology of Siemens from its beginnings in 1847 to 2008. It discusses the company's initial expansion, growth through consolidation and partnerships from 1865-1890, and internationalization from 1890-1918. The document then outlines Siemens' return to the world market and unity after World War 1 from 1918-1933, its operations during the National Socialist period and World War 2 from 1933-1945, and its reconstruction and emergence as a global player from 1945-1966. Finally, it briefly discusses the company's expansion into new markets and business areas from 1966-1989 and its response to deregulation and globalization from 1989-2008.