Electing a woman president has always been the marker for success in the American women's movement.
A day earlier, his drive towered above the marker for a three-run homer.
It was America's engagement in the sport, though, that really set the marker for the global game.
But at the tree our Australian hosts judged to be the marker for a straight drive towards a 400-yard, par-4 golf hole.
"Whoever reads the Koran for me, cry for my youth," read the marker for Oday Ahmed Khalaf.
The only number that counted was that his P.S.A., the marker for cancer, had nearly doubled in one year.
The thin layer, which has been detected worldwide, is also considered the marker for the end of the Cretaceous and beginning of the Tertiary period, known as the K-T boundary.
As the 20th century progressed, many water managers came to believe that the 1950s, which included the most severe drought years since measurement of the river began, were the marker for a worst-case situation.
"It's the marker for the memorial," said David M. Childs, the architect who led the design team at Skidmore, Owings & Merrill, where he is now a consulting partner.
And it's only when your feet hit the seabed that you recognise The End you feared so much was, in fact, the marker for a new beginning.
With map and compass in hand, all I cared about was finding that damn red light — the marker for the next assigned point.
