I think it has to do with the birth of my third child.
It became more difficult with the birth of his first son in 1990.
In 1930, he was married, with the birth of his daughter following three months later.
That changed in 1983, with the birth of his first son.
"163 countries give women paid leave with the birth of a child".
Jack followed her, just in time to help with the birth.
A new count of years began with each King's birth.
The conflict became a major international issue with the birth of Israel in 1948.
I saw it this year with the birth of our son, Sam.
The most obvious way to tell a character's whole life is, of course, to begin the story with her birth.