Puberty
The Dark Ages marks the end of ancient times
The shedding of the uterine lining, known as menstruation, marks the end of one menstrual cycle and the beginning of a new one.
The possessive form of the singular noun season is season's.example: This event marks the season's end.
Childhood's End was created in 1953.
Childhood's End has 214 pages.
The end of the Mesozoic Era is marked by the mass extinction event that wiped out the dinosaurs, known as the Cretaceous–Paleogene extinction event. This event was likely caused by a combination of factors, including a meteorite impact and volcanic activity, and led to significant changes in Earth's ecosystems.
The ISBN of Childhood's End is 0-345-34795-1.
In the quotation marks.
At the end of the Running of the Bulls in Pamplona, the bulls are released into the bullring where they will face matadors in a bullfight. This marks the culmination of the event, where the bulls' fate is decided in the traditional Spanish spectacle.
Easter marks the end of lent, which started on shrove tuesday, (pancake day).
The Lamp of Childhood ended in 1967.
It's a horizontal line that places the furthest date or event on the left end and the nearest date or event on the right end. Other important dates/events are placed as dash marks on the line in accordance to their occurence in history relative to the dates surrounding it.