|1842||Marubeni's founder Chubei Itoh was born in Shiga Prefecture.|
|1858||Chubei Itoh moved out of the family business and started a linen trading business with his uncle.|
|1872||Chobei Itoh, Chubei Itoh's elder brother,opened Itoh Chobei Shoten.
Chubei Itoh opened Benchu in Osaka.
|1914||Reorganized the former private business into C.Itoh & Co.|
|1918||Sales divisions of C.Itoh & Co. were divided into two incorporated companies, C.Itoh & Co., Ltd and Itochu Shoten, Ltd.|
|1920||The overseas trading division of C.Itoh & Co., Ltd. was spun off to establish Daido Boeki Kaisha Ltd.|
|1921||Established Marubeni Shoten, Ltd. From the merger of Itochu Shoten, Ltd. and Itoh Chobei Shoten.
Chobei Itoh IX was appointed as president.
|1933||Marubeni Shoten formulated The Five Marubeni Precepts.|
|1941||Sanko Kabushiki Kaisha Ltd. was established through the merger of C.Itoh & Co., Ltd. and two other companies.|
|1944||Daiken Co., Ltd. was established through the merger of Daido Boeki Kaisha Ltd. and two other companies.|
|1949||Marubeni Co., Ltd. was established.|
|1950||Listed shares on the Osaka Securities Exchange and Tokyo Stock Exchange.|
|1951||First overseas subsidiary was established in New York.|
|1955||Changed trading name to Marubeni-Iida Co., Ltd. following the merger of Marubeni Co., Ltd. and Iida & Co., Ltd.|
|1966||Acquired Totsu Co., Ltd.|
|1972||Changed trading name to Marubeni Corporation.|
|1973||Merged with Nanyo Bussan Co., Ltd.|
|1974||Received approval for establishing Marubeni Foundation, a social welfare corporation.|
|1976||The Lockheed scandals occurred.|
|1998||Marubeni Corporate Principles and Marubeni Corporation Code of Conduct were enforced.|
|1999||The Restructuring Plan started.|
|2001||Medium-term management plan @ction 21 started.
Marubeni-Itochu Steel Inc. was established.
Medium-term management plan @ction 21 was revised and @ction 21 “A” PLAN was announced.
|2003||Medium-term management plan “V” PLAN started.|
|2006||Medium-term management plan “G” PLAN started.|
|2008||Medium-term management plan SG2009 started.
|2010||SG-12 Medium-term management plan started.|
|2013||Achieved a net income of 205.7 billion yen in the fiscal year ending March 2013.
Medium-term management plan Global Challenge 2015 started.
|2016||Medium-term management plan Global Challenge 2018 started.|