| 1928 |
The first Lone Troop was established in Valparaiso. |
| 1933 |
The first continuing troop was formed in Gary. (Troop 1) |
| 1934 |
Two Lone Troops were formed in Chesterton. |
| 1936 |
The first Girl Scout Cookie Sale was held in Valparaiso. The first one-week camping session was held at Indiana Dunes State Park with 50 Gary girls attending. The first charter was issued to five Lone Troop in Gary with a total of 207 girls. |
| 1937 |
Dorthea Carlton was hired as the first full-time director. |
| 1938 |
Camp Tepicon at Tippecanoe State Park was leased with 500 girls camping there. |
| 1944 |
Grace Ritson became Director of Gary Girl Scouts. |
| 1946 |
The original property for Camp Meadowbrook was purchased at Highway 12 and 149 in Porter County. |
| 1954 |
Valaparaiso Council and Gary Council combine to make East-Lake Porter County Girl Scout Council which was to become the Drifting Dunes Girl Scout Council. |
| 1956 |
One council patrol attended the first Roundup in Highland Park, Michigan. |
| 1963 |
The original Camp Meadowbrook was sold to Bethlehem Steel Company and a new site was bought on 700 North in Porter County. |
| 1975 |
"Bubble, Bubble, Toil, and Trouble," a National Wider Opportunity was held at Camp Red Mill. |
| 1979 |
The East Lake-Porter Counties Council became Drifting Dunes Girl Scout Council. |
| 1980 |
The council service center was moved to 4207 Cleveland Street in Glen Park. |
| 1983 |
Cathy Darstek from Chesterton became the first Gold Award Recipient. |
| 1986 |
The council service center was moved to Camp Meadowbrook. |
| 1987 |
The council celebrated 75 years of Girl Scouting, with an event at Southlake Mall. |
| 2002 |
The Council Service Center moved to 8699 Broadway in Merrillville. |
