| 1973 | August | Initiation of Makuhari District New Town waterfront landfill project |
| 1978 | May | Opening of New Tokyo International Airport (currently, Narita International Airport) |
| 1980 | January | Completion of Makuhari district landfill |
| 1982 | April | Opening of Higashi-Kanto expressway (between Miyanogi and Ichikawa) |
| 1983 | June | Formulation of Chiba Industrial Triangle Concept (Makuhari New City Concept was positioned as one of the key projects) |
| November | Formulation of commercial development plan for Makuhari New City | |
| 1986 | March | Opening of Kaihin-Makuhari railway station; Inauguration of service of JR Keiyo Line on (between Chibaminato and Nishifunabashi) |
| 1988 | May | Inauguration of Makuhari New City Urban Development Council |
| November | Formulation of Makuhari New City Environmental Design Manual | |
| 1989 | May | Creation of Makuhari New City Expansion Area |
| October | Opening of Makuhari Messe | |
| 1990 | March | Opening of Chiba Marine Stadium Inauguration of service on entire JR Keiyo line (between Soga and Tokyo) |
| April | The residential zone won the good design prize. | |
| June | Opening of Mihama-en Japanese garden | |
| October | Formulation of Makuhari New City Residential Area Business Plan | |
| 1991 | March | Approval of basic concept for Chiba Urban Business Nucleus (including Makuhari New City) |
| October | Opening of World Business Garden | |
| 1992 | May | Makuhari New City was awarded Ishikawa Prize by the City Planning Institute of Japan |
| 1995 | March | Residents begin moving into Makuhari Bay Town residential area |
| April | Opening of Utase Elementary School and Utase Junior High School in residential area | |
| 1997 | October | Opening of Makuhari Messe International Exhibition North Hall. |
| 1998 | May | Formulation of Stage 2 of Makuhari New City |
| 1999 | October | Tenth anniversary of Makuhari New City |
| The residential zone won the good design prize. | ||
| December | Opening of "Institute of Developing Economies, JETRO" | |
| 2001 | March | Population of the Makuhari Bay Town residential area exceeds 10,000 |
| 2002 | March | "Community Core" ("Makuhari Bay Town Core") Opens |
| 2006 | January | The total number of visitors to Makuhari Messe exceeds 100 million |
| March | Population of the Makuhari Bay Town residential area exceeds 20,000 | |
| 2008 | April | The master plan for the unused land of Academic zone was decided. |