1866
- Colorado Agricultural Society first fair northwest of Denver
1872
- Southern Colorado Agricultural and Industrial Association Horse Show- Pueblo, Colorado
1886
- $3,000 spent on land near Mineral Palace Park
1890
- sold Mineral Palace location & Purchased land near Lake Minnequa
1900
- Purchased 80 acre site that forms the core of the current fairgrounds
1901
- 16,000 people in attendance for new September fair dates
- New half-mile racetrack, 300′ long grandstand and exhibition hall built
- Colorado State Fair- in Pueblo Colorado
1903
- The Fair received its first state appropriation to pay agricultural and horticultural premiums
1917
- The SFA deeded the fairgrounds to the State
1918
- Fairgrounds was known as “Camp Carlson” a base of Colorado militia troops training for World War I
1940
- “Largest Rabbit Show Building in the World”
- The Palace of Agriculture construction began
1949
- The Palace of Agriculture was finished
1953
- Coors Beer Garden Built
1954
- Band Shell built
1964
- Livestock building complete costing $650,000
1967
- Fiesta Days added to recognize the state’s Hispanic community
1980
- Removal of the horse racing track and the addition of a new wall to divide the rodeo arena and grandstand from the rest of the fairs horse buildings
2005
- Fair cut from 17 days to 11 days
2019
- Horsin’ Around since 1869