ETA was created in 1959.
Eta Sigma Phi was created in 1924.
Phi Eta Kappa was created in 1906.
Eta Gamma Delta was created in 1928.
Eta² Hydri b was created in 2005.
Zeta Omega Eta was created in 2003.
Chi Eta Phi was created on 1932-10-16.
Alpha Eta Mu Beta was created in 1979.
Phi Rho Eta was created on 1994-08-22.
Eta Kappa Nu was created on 1904-10-28.
Alpha Eta Rho was created on 1929-04-10.
Kappa Eta Kappa was created on 1923-02-10.