| 1825 |
The Chicago Road is laid out. |
| 1835 |
La Plaisance Bay Road intersects with the Chicago Road at Cambridge Junction. |
| 1835 |
Michigan declares statehood. |
| 1835 |
Toledo War |
| 1836 |
Cambridge Township is organized. |
| 1836 |
A frame structure is built at Cambridge Junction known as Snell's Tavern. |
| 1837 |
Michigan becomes the 26th state. |
| 1838 |
Sylvester Walker buys land in Cambridge Township with an interest in the Cambridge junction tavern. |
| 1843 |
Walker buys Snell's Tavern. The name of the tavern changes to Walker's Tavern. |
| 1852 |
Several railroads are completed through southern Michigan. |
| 1853 |
Walker builds a new three-story brick building across the road from his old tavern. The old tavern becomes his private residence. |
| 1865 |
Soon after Walker's death the property is purchased by Francis Dewey, a former stagecoach driver and prosperous farmer. Dewey and his family own almost the entire section of land around Cambridge Junction by 1874. The land stays in the Dewey family at least through 1916. |
| 1920s |
The Irish Hills region becomes a tourist area and vacation spot. |
| 1922 |
The Rev. Frederick Hewitt (a personal friend of Henry Ford) buys both taverns, restores them and opens them as a tourist attraction and antique shop. Hewitt also builds a private home on the west end of the property. The Daughters of the American Revolution (DAR) in Adrian mark the site as historic with a plaque in 1922. |
1940s-
1950s |
The Michigan Department of Natural Resources looks for land in the Irish Hills to create a recreational area and considers Walker Tavern as a key historic site. |
| 1958 |
The site is placed on the State Register of Historic Places. |
| 1959 |
A Michigan Historical Marker is installed at the site. |
| 1965 |
The Michigan Department of Natural Resources purchases older tavern and its surrounding farm land. The tavern is restored and converted into a museum at the "Cambridge State Historical Park." |
| 1967 |
The barn on the site is reconstructed. |
| 1968 |
Wayne State University conducts an archaeological dig at the site. |
| 1971 |
The site is placed on the National Register of Historic Places. |
| 1973 |
The house behind the older tavern is removed. |
| 1974 |
In a joint agreement between the Michigan Department of State and Michigan Department of Natural Resources, Walker Tavern becomes a part of the Michigan Historical Museum System. |
1974-
1977 |
The old tavern building and the Hewitt house are remodeled. New exhibits are installed. |
| 1980s |
Growth seen in the museum system and also at the Michigan Speedway, whose property adjoins the old tavern site. |
| 1993 |
Michigan Historical Museum staff install new exhibits in tavern; all other exhibits on the site remain the same. |
| 1998 |
A study is conducted on the condition of the site. |
| 1999 |
Walker Tavern celebrates its 25th anniversary as a Michigan Historical Museum System site. |
| 2004 |
Governor Jennifer M. Granholm visits Walker Tavern on June 9 to dedicate U.S. 12 as a U.S. Heritage Trail. |
| 2006 |
Dedication of historic trail and rededication of 1922 DAR marker. |