OMAHA BEACH, France (AP) - The president of France and prime minister of Britain are saying "thank you" to D-Day veterans and those who died in the landmark invasion exactly 75 years ago.

Uniformed veterans in their 90s looked on as British Prime Minister Theresa May and French President Emmanuel Macron spoke Thursday at a ceremony at Ver-Sur-Mer laying the cornerstone of a new memorial that will record the names of thousands of troops under British command who died on D-Day and the ensuing Battle of Normandy.

May said, "If one day can be said to have determined the fate of generations to come, in France, in Britain, in Europe and the world, that day was the 6th of June, 1944."

To the veterans, she said "the only words we can - thank you."

Macron thanked the veterans and "all those who were killed so that France could become free again."

The event was among several being held throughout Thursday marking the 75th anniversary of the Allied invasion that helped turn the tide of World War II against the Nazis.

President Donald Trump will tell those commemorating the 75th anniversary of D-Day on Thursday that American and allied forces who stormed the beaches of Normandy "won back this ground for civilization."

Trump is gathering with other world leaders at The Normandy American Cemetery to honor those who died and participated in the battle that turned the course of the war.

In excerpts from the speech he will deliver, Trump will describe the 130,000 service members who participated in the invasion as the "citizens of free and independent nations, united by their duty to their compatriots and to millions yet unborn."

He will also assure allies that "our bond is unbreakable."

Trump says of the service members who participated in D-Day that their exceptional might came from an exceptional spirit.