February 4, 1874 - At their first meeting in Denver, the college trustees frame a charter. Five days later it is filed with Colorado Territory, on February 17 with El Paso County.

May 6, 1874 - Preparatory classes convene in the Wanless Building, Pikes Peak Avenue at Tejon Street.

1874 - The first classroom, a three-room wooden building, is erected across from Acacia Park on Tejon Street.

1875 - The Colorado Centennial College Association is formed by the women of the city to raise money for a permanent college building, eventually known as Cutler Hall. Ground is broken on July 4, 1877.

1889 - The Woman's Educational Society (W.E.S.) is formed under the auspices of Mrs. Mary Slocum. In 1891, Montgomery Hall, a women's residence, is built from funds raised by W.E.S.

1893 - Katharine Lee Bates, an English instructor from Wellesley College, spends her summer on the faculty of the Colorado College Summer School. Her wagon trip to the top of Pikes Peak inspires her to compose "America the Beautiful."

1898 - Colorado School of Mines baseballers inaugurate the college's first playing field, subsequently named Washburn Field. President Slocum throws out the first ball.

1912 - Colorado College is one of only five colleges in the nation to have ongoing faculty exchanges with Harvard University.

1941 - Dancer/choreographer Hanya Holm institutes the first dance class at the college.

1943 - The age of the campus Victory Garden on the quad. Quonset huts and frame barracks are erected east and west of Palmer Hall as dormitories for V-12 enlistees. World War II ends two years later, having cost 52 alumni and student lives.

1951 - Professors Glenn Gray, Lloyd Worner, and George McCue first team teach the popular interdisciplinary course "Freedom and Authority." On Worner's appointment to dean four years later, William Hochman succeeded him.