Register Atlas: fact of the day https://registeratlas.com/ One fact a day from Register Atlas, drawn from the data behind the site. en-us Sat, 19 Sep 2026 10:00:00 GMT 62,033 listings are classed as buildings, the largest category. https://registeratlas.com/places/ https://registeratlas.com/#fact-2026-09-19-type-most Sat, 19 Sep 2026 10:00:00 GMT 62,033 listings are classed as buildings, the largest category. Districts, sites, and objects make up the rest. 262 places left the Register in the current weekly-list window. https://registeratlas.com/lost/ https://registeratlas.com/#fact-2026-09-18-removed Fri, 18 Sep 2026 10:00:00 GMT 262 places left the Register in the current weekly-list window. Demolition is the usual reason. Middlesex County, Massachusetts holds 1,093 listings, the most of any county in the… https://registeratlas.com/states/ma/ https://registeratlas.com/#fact-2026-09-17-county-most Thu, 17 Sep 2026 10:00:00 GMT Middlesex County, Massachusetts holds 1,093 listings, the most of any county in the country. The oldest dated building on the Register, Old Spanish Monastery in FL, was built in 1101. https://registeratlas.com/states/fl/ https://registeratlas.com/#fact-2026-09-16-oldest-built Wed, 16 Sep 2026 10:00:00 GMT The oldest dated building on the Register, Old Spanish Monastery in FL, was built in 1101. New York has 4,655 Register listings, more than any other state. https://registeratlas.com/states/ny/ https://registeratlas.com/#fact-2026-09-15-state-most Tue, 15 Sep 2026 10:00:00 GMT New York has 4,655 Register listings, more than any other state. Middlesex County, Massachusetts holds 1,093 listings, the most of any county in the… https://registeratlas.com/states/ma/ https://registeratlas.com/#fact-2026-09-14-county-most Mon, 14 Sep 2026 10:00:00 GMT Middlesex County, Massachusetts holds 1,093 listings, the most of any county in the country. More listed buildings date from 1900 to 1909 than any other decade, 2,146 of them. https://registeratlas.com/styles/ https://registeratlas.com/#fact-2026-09-13-busiest-decade Sun, 13 Sep 2026 10:00:00 GMT More listed buildings date from 1900 to 1909 than any other decade, 2,146 of them. 1,062 of the 71,181 places on the National Register are National Historic Landmarks,… https://registeratlas.com/landmarks/ https://registeratlas.com/#fact-2026-09-12-nhl-share Sat, 12 Sep 2026 10:00:00 GMT 1,062 of the 71,181 places on the National Register are National Historic Landmarks, about 1.5 percent. 93 places left the Register in the current weekly-list window. https://registeratlas.com/lost/ https://registeratlas.com/#fact-2026-09-11-removed Fri, 11 Sep 2026 10:00:00 GMT 93 places left the Register in the current weekly-list window. Demolition is the usual reason. 62,033 listings are classed as buildings, the largest category. https://registeratlas.com/places/ https://registeratlas.com/#fact-2026-09-10-type-most Thu, 10 Sep 2026 10:00:00 GMT 62,033 listings are classed as buildings, the largest category. Districts, sites, and objects make up the rest. 1982 was the Register's busiest year, with 3,780 listings. https://registeratlas.com/newest/ https://registeratlas.com/#fact-2026-09-09-busiest-year Wed, 09 Sep 2026 10:00:00 GMT 1982 was the Register's busiest year, with 3,780 listings. 1,042 of 1,062 National Historic Landmarks have a public photograph on their page. https://registeratlas.com/landmarks/ https://registeratlas.com/#fact-2026-09-08-nhl-photos Tue, 08 Sep 2026 10:00:00 GMT 1,042 of 1,062 National Historic Landmarks have a public photograph on their page. American Samoa has 16 listings, the fewest of any state or territory. https://registeratlas.com/states/as/ https://registeratlas.com/#fact-2026-09-07-state-least Mon, 07 Sep 2026 10:00:00 GMT American Samoa has 16 listings, the fewest of any state or territory. 202 places were listed on October 15, 1966, the day the Register opened. https://registeratlas.com/landmarks/ https://registeratlas.com/#fact-2026-09-06-first-day Sun, 06 Sep 2026 10:00:00 GMT 202 places were listed on October 15, 1966, the day the Register opened. Abo was one.