1899: Chi Omega publishes its first magazine, The Eleusis.
1902: The official Crest is designed and adopted.
1904: First Chi Omega pledge pin is designed and adopted under the direction of Julia Winchell.
1905: The first printing of the "Chi Omega Symphony" (entitled "A Fraternity Girl's Symphony"), by Ethel Switzer, appears in the February issue of The Eleusis.
1906: Jewels of the official badge are now restricted to pearls or diamonds. The size is also made uniform.