| Year | Detail |
| 1897–1920 |
|
| 1897 |
The Dow Chemical Co. was a product-based start-up founded by H.H. Dow. |
| 1900 |
Midland Chemical Company merges into Dow. |
| 1920–1940 |
|
| 1937 |
The company's stock was listed on the New York Stock Exchange for the first time. |
| 1941-1959 |
|
| 1947 |
Dow establishes Brazos Oil & Gas Co. |
| 1952 |
Dow establishes Asahi-Dow, Ltd., its first subsidiary in Japan. |
| 1960–1989 |
|
| 1964 |
The company has reorganized and set up three international headquarters outside of Midland: Dow Europe, Dow Latin America, and Dow Pacific. |
| 1972 |
Dow launches Lorsban insecticide. |
| 1973 |
Dow became the first foreign industrial company listed on the Tokyo Stock Exchange. |
| 1977–2004 |
|
| 1986 |
Dow ranks as the world’s largest producer of thermoplastics. |
| 1996 |
DuPont Dow Elastomers begins its operations. |
| 2004-Present |
|
| 2009 |
Dow acquires Rohm and Haas. |
| 2016 |
Dow completed a strategic restructuring of Dow Corning and became 100% ownership of its silicones business. |
| 2019 |
The company has completed its separation from DowDuPont. |