For all its imperfections, the treaty marks the most ambitious feat of environmental diplomacy ever attempted.
The anniversary of Newtown this week simply marks the most recent milestone we have flown by.
The release marks the most ambitious mammal reintroduction programme to date in Britain.
Jacobson's casting marks the most significant step yet en route to him fulfilling his destiny of one day playing Santa Claus.
At the White House, where the US flag was lowered to half-mast, Obama said: "Today marks the most deadly shooting in American history".
The legal action marks the most aggressive challenge yet to the two-month-old investigation, which Ms. Palin initially said she would cooperate with.
It marks the most radical development in social democratic thinking since the 1994 Commission for Social Justice helped to define the New Labour project".
"This marks the most common viewing ground between African-American and non-African-American audiences since Initiative Media began the study" a decade ago, Ms. Koerner said.
Guthrie's many children's songs, which seem almost too basic to have authorship, distill the pleasure in movement that marks the most vital parts of his catalog.
But a new fleet of 1,200 smart red "Ecobici" pay-as-you-go rental bikes, at 85 docking stations, marks the most ambitious recent addition to a global trend of municipally endorsed cycling.
The training camp in Krasnaya Polyana, which is 40 kilometers, or 25 miles, from the Black Sea in Sochi, marks the most valuable benefit for the U.S. skiers to date.
