1917 - Sam Eisen, a local peddler, returns to Tyler and reopens his market
1921-1938 - John Campbell owns and manages the Hotel Tyler
1932 - Union Bus Station/Campbell Building constructed in downtown Tyler. John Campbell develops the Campbell Building, deeded by his parents. Parisian Beauty Salon occupies retail Sam Eisen moves Eisen’s French Market into the Campbell Building
1937 - Sunshine Trailways and Dixie Trailways become part of the Trailways system
1939 - Dixie Motor Coach Corporation acquires Sunshine Bus Lines in East Texas
1945 - Dixie Motor Coach Corporation and Sunshine Bus Lines merge into Dixie-Sunshine Trailways
1946 - World War II brings expansion to the bus transportation industry in East Texas. Parisian Beauty Salon relocates to the upper story during the building's renovation for the bus station
1947 - The building was renovated when purchased by Dixie Sunshine Trailways from local businessmen Bert Wilkinson and Max and G.L. Kirkpatrick
1950's - Delay in modernizing the bus industry due to the growth of the automobile industry in East Texas
1960's - Greyhound and Continental Trailways operate as major national bus lines in Tyler
1980's - Exterior of Union Station/Campbell Building in downtown Tyler covered
1990's - Long-distance bus industry remade, serving over 4,000 East Texas communities
2020 - Greyhound Lines, Inc. sells their building
2023 - Building renovation is complete and Greyhound Inn opens, adding a new chapter to its history in downtown Tyler, Texas..