Did you know that this F-1 Airspeed Indicator, with its black case and luminous markings, was an essential navigation tool during World War II?
Every morning we publish one verified fact drawn from the National Archives, the National Park Service, the Smithsonian and data.gov agencies, plus five more worth knowing. Each day gets its own page, and each fact links back to the record it came from.
This story was assembled using AI and public data sources.
10c Jefferson Davis Type I single on cover — Did you know that the 10-cent Jefferson Davis stamp, featured on a letter from 1864, was addressed to a prominent figure who had served as both a U.S. Senator and Ambassador to France before joining the Confederate Congress? National Postal Museum
Alaska violent crime rate — In Alaska, the reported violent crime rate was about 732 offenses per 100,000 residents in 2024. The national rate that year was about 364 per 100,000. (Source: FBI Crime Data Explorer). FBI · Crime Data Explorer
Maricopa County, Arizona by the numbers — Did you know? The U.S. Census Bureau's 2022 ACS 5-year estimates show Maricopa County, Arizona has a population of about 4,430,871, a median age of 37.1, a median household income of $80,675, a median home value of $371,400. U.S. Census Bureau
North Carolina by the numbers — Did you know? According to the U.S. Census Bureau's 2022 ACS 5-year estimates, North Carolina had a population of about 10,470,214, median age 39.1, median household income of $66,186, median home value of $234,900. U.S. Census Bureau
Dayton-Wright DH-4 — Did you know that the Dayton-Wright DH-4, known as the 'Liberty Plane,' was not only a crucial observation and bomber aircraft in WWI but also became the principal aircraft for U.S. air mail service after the war? National Air and Space Museum
