elect somebody president

Which of the following people could not be elected president in the future?

She was the first woman ever to be elected president of a country.

He was elected president of the company two years later.

She was then elected President of the court by its members.

In 1982, he was elected the first President under the new system.

He was elected its president in 1967 and held that office for three years.

So maybe it doesn't matter who is finally elected president.

He was elected president of the union local in 1994.

He was elected federal president of that party in 1991 and 1994.

He was elected president of that body in 1921 and 1923.