a) They sent a runner to Athens to tell them of the victory and he said, "Victory is ours!" and then died of exhaustion is your answer.
The Battle of Marathon was well known, because while Athens was able to beat the much stronger Persian army, it was also where the term "marathon", and the event that "marathon" is used to describe was born.
The runner that they sent ran non-stop (typical of a marathon) from the battle field to Athens to deliver the news of victory. However, after getting there & delivering the news, he died, possibly from exhaustion.
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It was the last of the set to be unveiled on 24 May 1887. A statue of Burns was deemed relevant to the city, both because of the city's Scottish roots (it was founded by the Free Church of Scotland in 1848), and also because one of the city's founding fathers was Rev. Thomas Burns, a nephew of the poet.
Served as division commander in Battle of Antietam and Independent Command over Army of Tennessee