About Us THE HISTORY OF DENTSU Defining moments Corporate History Defining moments in the Group's growth trajectory 1901– Dentsu's History Begins in 1901,at the Dawn of the Twentieth Century 1947– Hideo Yoshida—Japanese Advertising's Great Modernizer—and the Start of Commercial Broadcasting in Japan 1964– A Decade of Milestones;Dentsu Becomes the World's Largest Advertising Agency 1978– From an Advertising Company to a Communications Company 1998– A Tectonic Shift Begins;Future Strategy Launched for a 21st-Century Dentsu 2001– Dentsu's Centenary and Stock Market Listing 2008– Realizing "Good Innovation."through Integrated Communication Design 2013– Dentsu Establishes a New Global Operating Unit,Dentsu Aegis Network Ltd. 2019– Involvement in Large-scale Events that Give Expression to People's Hopes and Dreams and Bring Excitement 2020– Moving to a Pure Holding Company Structure About Us Share on SNS