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Adelphi, Maryland
Adelphi is an unincorporated area and census-designated place in Prince George's County, Maryland, United States. Per the 2020 Census, the population was 16,823. Adelphi includes the following subdivisions; Adelphi, Adelphi Park, Adelphi Hills, Adelphi Terrace, Adelphi Village, Buck Lodge, Chatham, Cool Spring Terrace, Hillandale Forest, Holly Hill Manor, Knollwood, Lewisdale, and White Oak Manor. History The unincorporated Adelphi community takes its name from the historic Adelphi Mill, established in 1796 along the Northwest Branch of the Anacostia River. and continues to attract visitors and can be rented for special functions. During the 19th century, George Washington Riggs acquired much of the area northeast of Washington, D.C., as his Green Hill estate in the Chillum Manor district. That estate included present-day Adelphi. In the early 1920s, part of the area was acquired by Leander McCormick-Goodhart as part of his Langley Park estate. Labor organizer Mary Harris "Moth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Census-designated Place
A census-designated place (CDP) is a concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counterparts of incorporated places, such as self-governing cities, towns, and villages, for the purposes of gathering and correlating statistical data. CDPs are populated areas that generally include one officially designated but currently unincorporated community, for which the CDP is named, plus surrounding inhabited countryside of varying dimensions and, occasionally, other, smaller unincorporated communities as well. CDPs include small rural communities, edge cities, colonias located along the Mexico–United States border, and unincorporated resort and retirement communities and their environs. The boundaries of any CDP may change from decade to decade, and the Census Bureau may de-establish a CDP after a period of study, then re-establish it some decades later. Most unin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Food And Drug Administration
The United States Food and Drug Administration (FDA or US FDA) is a List of United States federal agencies, federal agency of the United States Department of Health and Human Services, Department of Health and Human Services. The FDA is responsible for protecting and promoting public health through the control and supervision of food safety, tobacco products, caffeine products, dietary supplements, Prescription drug, prescription and Over-the-counter drug, over-the-counter pharmaceutical drugs (medications), vaccines, biopharmaceuticals, blood transfusions, medical devices, electromagnetic radiation emitting devices (ERED), cosmetics, Animal feed, animal foods & feed and Veterinary medicine, veterinary products. The FDA's primary focus is enforcement of the Federal Food, Drug, and Cosmetic Act (FD&C), but the agency also enforces other laws, notably Section 361 of the Public Health Service Act, as well as associated regulations. Much of this regulatory-enforcement work is not d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Archives And Records Administration
The National Archives and Records Administration (NARA) is an " independent federal agency of the United States government within the executive branch", charged with the preservation and documentation of government and historical records. It is also tasked with increasing public access to those documents which make up the National Archive. NARA is officially responsible for maintaining and publishing the legally authentic and authoritative copies of acts of Congress, presidential directives, and federal regulations. NARA also transmits votes of the Electoral College to Congress. It also examines Electoral College and Constitutional amendment ratification documents for prima facie legal sufficiency and an authenticating signature. The National Archives, and its publicly exhibited Charters of Freedom, which include the original United States Declaration of Independence, United States Constitution, United States Bill of Rights, and many other historical documents, is headquarte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Army Research Laboratory
The U.S. Army Combat Capabilities Development Command Army Research Laboratory (DEVCOM ARL) is the U.S. Army's foundational research laboratory. ARL is headquartered at the Adelphi Laboratory Center (ALC) in Adelphi, Maryland. Its largest single site is at Aberdeen Proving Ground, Maryland. Other major ARL locations include Research Triangle Park, North Carolina, White Sands Missile Range, New Mexico, Graces Quarters, Maryland, and NASA's Glenn Research Center, Ohio and Langley Research Center, Virginia. ARL also has regional sites in Playa Vista, California (ARL West), Chicago (ARL Central), Austin, TX (ARL South), and Boston (ARL Northeast). DEVCOM ARL has three directorates: *Army Research Office, located in Research Triangle Park *Army Research Directorate *Research Business Directorate History Before the forming of the ARL, the United States Army had research facilities dating back to 1820 when the laboratory at Watertown Arsenal, Massachusetts, studied pyrotechnics a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harry Diamond Laboratories
The Harry Diamond Laboratories (HDL) was a research facility of the Ordnance Development Division of the National Bureau of Standards and later the US Army, most notable for its work on proximity fuzes in World War II. The organization was founded in 1940, but was not named after its first director Harry Diamond until 1962. HDL was one of seven Army laboratories merged to form the new Army Research Laboratory in 1992. History In 1940, concerned about increasing warfare abroad, the National Defense Research Committee organized a group of scientists and engineers into the Ordnance Development Division of the National Bureau of Standards (NBS), to develop fuzes for non-rotating (fin-stabilized) munitions such as bombs, rockets and mortar shells. Harry Diamond, a pioneer radio engineer, was given technical direction of the program, a position he held until his death in 1948. Proximity fuzes were first used in combat in January 1943, and the U.S. War Department later described the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lewisdale, Maryland
Lewisdale is an unincorporated community in Prince George's County, Maryland, United States. For statistical purposes, it is considered part of the Chillum census-designated place (CDP). Lewisdale is a neighborhood contained between the Northwest Branch Anacostia River to the east, East West Highway to the south, University Boulevard to the north, and Riggs Road to the west. Neighborhood Character The Lewisdale neighborhood generally consists of medium, one to two-story red-brick houses. Lewisdale neighborhood also includes two apartment complexes: the Newbury Square Apartment Complex and University City Apartment Complex. Education 1. Lewisdale Elementary School (Grades Pre-K through 6) Parks and Recreation # Riggs Manor Neighborhood ParkThis park is located on the far southeast side of Lewisdale, where West Park Drive and Sheridan Street end. The Riggs Manor Neighborhood park is also bounded by the Northwest Branch Anacostia River to the east and East West Highway to the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing military alliances: the Allies and the Axis powers. World War II was a total war that directly involved more than 100 million personnel from more than 30 countries. The major participants in the war threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. Aircraft played a major role in the conflict, enabling the strategic bombing of population centres and deploying the only two nuclear weapons ever used in war. World War II was by far the deadliest conflict in human history; it resulted in 70 to 85 million fatalities, mostly among civilians. Tens of millions died due to genocides (including the Holocaust), starvation, ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
College Park, Maryland
College Park is a city in Prince George's County, Maryland, United States, and is approximately four miles (6.4 km) from the northeast border of Washington, D.C. The population was 34,740 at the 2020 United States Census. It is best known as the home of the University of Maryland, College Park. Since 1994, the city has also been home to the National Archives at College Park, a facility of the U.S. National Archives, as well as to the National Oceanic and Atmospheric Administration (NOAA) Center for Weather and Climate Prediction (NCWCP) and the Food and Drug Administration (FDA) Center for Food Safety and Applied Nutrition (CFSAN). History Development College Park was developed beginning in 1889 near the Maryland Agricultural College (later the University of Maryland) and the College Station stop of the Baltimore and Ohio Railroad. The suburb was incorporated in 1945 and included the subdivisions of College Park, Lakeland, Berwyn, Oak Spring, Branchville, Daniel's Park, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hyattsville, Maryland
Hyattsville is a city in Prince George's County, Maryland, United States, and also a close, urban suburb of Washington, D.C. The population was 21,187 at the 2020 United States Census. History Before Europeans reached the area, the upper Anacostia River was home to Nacotchtank/Anaquashtank people, a Piscataway-speaking Algonquian peoples who lived throughout what is now the Washington, D.C. area. European encroachment and diseases decimated their population and by the 1680s the Nacotchtank/Anaquashtank had largely moved away and merged with other tribes. In the 1720s, John Beall acquired land in the area and established Beall Town, but the town did not prosper like its neighbor Bladensburg. The opening of the Washington–Baltimore Turnpike (modern day ) in 1812 and the B&O Railroad Washington Branch line in 1835 brought more settlers to the area. The city's founder, Christopher Clark Hyatt (1799–1884), purchased his first parcel of land in the area in 1845. Hyatt opene ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maryland State Highway Administration
The Maryland State Highway Administration (abbreviated MDOT SHA or simply SHA) is the state transportation business unit responsible for maintaining Maryland's numbered highways outside Baltimore City. Formed originally under authority of the General Assembly of Maryland in 1908 as the State Roads Commission (S.R.C.), under the direction of the executive branch of state government headed by the Governor of Maryland, it is tasked with maintaining non-tolled/free bridges throughout the State, removing snow from the state's major thoroughfares, administering the State's "adopt-a-highway" program, and both developing and maintaining the State's freeway/expressway system. Since the reorganization of the several commissions, bureaus, boards, and assorted minor agencies with departments of the executive branch and establishment of the Governor's Cabinet in the early 1970s following the adoption of several individual reorganization recommendations after the rejection by the voters in a N ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mary Harris Jones
Mary G. Harris Jones (1837 (baptized) – November 30, 1930), known as Mother Jones from 1897 onwards, was an Irish-born American schoolteacher and dressmaker who became a prominent union organizer, community organizer, and activist. She helped coordinate major strikes and co-founded the Industrial Workers of the World. After Jones's husband and four children all died of yellow fever in 1867 and her dress shop was destroyed in the Great Chicago Fire of 1871, she became an organizer for the Knights of Labor and the United Mine Workers union. In 1902, she was called "the most dangerous woman in America" for her success in organizing mine workers and their families against the mine owners. In 1903, to protest the lax enforcement of the child labor laws in the Pennsylvania mines and silk mills, she organized a children's march from Philadelphia to the home of President Theodore Roosevelt in New York. Early life Mary G. Harris was born on the north side of Cork, the daughter o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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