The first advanced civilizations in Greece are known as the '''Cycladic''' in the [[Cyclades Islands]], and the '''Minoan''' in [[Crete]] and [[Santorini]].
फलस्वरुप विकसित देशहरुमा किशोरीहरूको पहिलो महिनावारी हुने औसत उमेर घटदै गइरहेको छ ।