1077 B.c. an 80-foot obelisk is erected during the reign of ramses xi with the dates of the reigns of previous pharaohs , but no one is tall enough to read more than two ramseses back .
But it is dominated by bunker hill and the obelisk that crowns it , marking the spot where boston 's british garrison and its rebellious citizens fought a bloody but inconclusive battle in 1775 .