Just 75 years?
Quotes compiled by The Guardian
"We live in a decaying age. Young people no longer respect their parents. They are rude and impatient. They frequently inhabit taverns and have no self-control."
-Inscription on an Egyptian tomb from ~4000 BC
"What is happening to our young people? They disrespect their elders, they disobey their parents. They ignore the law. They riot in the streets, inflamed with wild notions. Their morals are decaying. What is to become of them?"
-Plato, 4th Century BC
"The young people of today think of nothing but themselves. They have no reverence for parents or old age. They are impatient of all restraint ... As for the girls, they are forward, immodest and unladylike in speech, behaviour and dress."
-Peter the Hermit 1274 AD