History of the Greek alphabet retained the sound. A symbol based on the left-hand half ( ├ ) of the letter Η was therefore sometimes used to indicate the presence of where necessary, and its absence was indicated by a symbol based on the right half. During the classical period, ΕΙ came to be pronounced and ΟΥ came to be pronounced , Υ having meanwhile moved to . By about 200 BC, a system of diacritical marks was invented, representing the tone accents in use in Ancient Greek. This also helped to indicate the length of the vowels Α, Ι, and Υ in certain cases
Hazing in Greek letter organizations and President Peter Smithhisler derided the use of hazing as a means of building comradery: “The intention of the hazer is to create unity, to create trust, to establish a person’s commitment to the organization,” he said. “But in reality, what he is doing is creating a bond among the hazees while eliminating the trust between hazer and hazee, ultimately breaking down the bond of brotherhood.” Additionally, there are individual national Greek Letter Organizations taking the initiative against activities related to hazing. For example, in 2012 Phi Beta Sigma fraternity adopted an anti-hazing campaign to eradicate hazing practices in its