On December 26, 1979, the Lehoullier Building on 161-169 Main St. was listed as a historic place in the national register.
[['Lehoullier Building', 'CITY', 'Somersworth'], ['[TABLECONTEXT]', '[TITLE]', 'National Register of Historic Places listings in Strafford County, New Hampshire'], ['Somersworth', 'LOCATION', '161-169 Main St. 43°15′31″N 70°51′46″W\ufeff / \ufeff43.258611°N 70.862778°W'], ['[TABLECONTEXT]', 'NAME_ON_THE_REGISTER', 'Lehoullier Building'], ['Lehoullier Building', 'DATE_LISTED', 'December 26, 1979 (#79000211)']]