Il giorno più corto was created in 1962.
Pi. Gi. Perini has written: 'Il grande sconosciuto'
Pi Recordings was created in 2001.
Pi Studios was created in 2002.
Pi Delta Kappa was created in 1907.
Life of Pi was created in 2001-09.
Sigma Pi Phi was created in 1904.
Delta Sigma Pi was created on 1907-11-07.
Cybernetic Dreams of Pi was created in 1983.
Iota Alpha Pi was created in 1903.
Pi Mu Epsilon was created in 1914.
Omega Pi was created on 1985-04-20.
Alfa Kappa Pi was created in 2005.