At 100 years old, he was the longest-living president in American history.

Read that history below.

Rosalynn was my equal partner in everything I ever accomplished, he said.

President Jimmy Carter and first lady Rosalynn Carter dancing

President Jimmy Carter and first lady Rosalynn Carter dance at the inaugural ball in 1977.

She gave me wise guidance and encouragement when I needed it.

As long as Rosalynn was in the world, I always knew somebody loved and supported me.

(Biographer Jonathan Alter claimed that a two-year-old Jimmy first met Rosalynn mere days after she was born.)

The Carters celebrating their victory at the New Hampshire Democratic presidential primary in 1976.

The Carters celebrating their victory at the New Hampshire Democratic presidential primary in 1976.

My parents even named my sister, Lillian Allethea, after her.

The Carters celebrating their victory at the New Hampshire Democratic presidential primary in 1976.

He said, Ill get Rosalynn, and you come and well talk about it.

The couple in 1987 promoting their book Everything to Gain Making the Most of the Rest of Your Life.

The couple in 1987, promoting their bookEverything to Gain: Making the Most of the Rest of Your Life.

Jimmy has never said that I have to do this or that.

I decide how I can be helpful, Mrs. Carter told theTimesin the same story.

If theres something he wants me to do, he will tell me.

But he trusts my judgment.

What Im trying to say is that I think we complement each other.

Until the end of their life together, the Carters remained resolutely by each others side.

Hes together with his wife.

Theyre in love, Jason Carter, one of the couples grandsons, said of Mr. Carter in September.

Theyre at peace and you dont get more from that.

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