Through all our history, to the last (line 126)
Here, too, America is tied together by its history; the stories we tell about the American past are what make us American. Again, Shmoop isn't saying that this is so, but it's definitely the vision of this poem. The speaker highlights not just old stories and old heroes, but the link between their world and ours, the common identity of Americans. In a way, we're all Paul Revere's family.