* 1990 – Jim Gary's " Twentieth Century Dinosaurs " exhibition opens at the Smithsonian Institution National Museum of Natural History in Washington, D. C.

Research conducted by the National Museum of American History notes that the story of Betsy Ross making the first American flag for General George Washington entered into American consciousness about the time of the 1876 centennial celebrations.

Because of its pioneering efforts, Acadia is a laureate of Washington ’ s Smithsonian Institution and a part of the permanent research collection of the National Museum of American History.

* The National Museum of Mongolian History: The early Turk Empire and the Uighurs

* Museum Boerhaave in Leiden, National Museum of the History of Science and Medicine

However, following the founding of the National Gallery, London in 1824, the proposed Picture Gallery was no longer needed, and the space on the upper floor was given over to the Natural History collections.

Papers on Far Eastern History 16, Australian National University.

* Holger Nehring, ' National Internationalists: British and West German Protests against Nuclear Weapons, the Politics of Transnational Communications and the Social History of the Cold War, 1957 – 1964 ', Contemporary European History, 14, No. 4 ( 2006 )

Due to economic downturn Golden State was forced to sell their entire art collection to ward off its mounting debts and as of spring 2011 the National Museum of African American History and Culture had offered $ 750, 000 to purchase the artworks which led to a controversy regarding the importance of the artworks which have been estimated to be worth at least $ 5 million.

* National Museum of African American History and Culture

" Conserving the Youth: the Civilian Conservation Corps Experience in the Shenandoah National Park " The Virginia Magazine of History and Biography Volume: 105.

* Paige, John C. The Civilian Conservation Corps and the National Park Service, 1933-1942: An Administrative History.

A PDP-8 on display at the Smithsonian's National Museum of American History in Washington, D. C ..

Three branches of the National Museum of Ireland are located in Dublin: Archaeology in Kildare Street, Decorative Arts and History in Collins Barracks and Natural History in Merrion Street.

The awards that Mayr received include the National Medal of Science, the Balzan Prize, the Sarton Medal of the History of Science Society, the International Prize for Biology, the Loye and Alden Miller Research Award, and the Lewis Thomas Prize for Writing about Science.

* The Invention of the Electric Guitar – Online exhibition at the Smithsonian Institution's National Museum of American History

In 2008, “ First Ladies at the Smithsonian ” opened at the National Museum of American History as part of its reopening year celebration.

* The First Ladies at the Smithsonian An online exhibition from the National Museum of American History, Smithsonian Institution

A specimen was bought in 1971 by the Icelandic Museum of National History for the sum of £ 9000, which placed it in the Guinness Book of Records as the most expensive stuffed bird ever sold.

His finds were displayed as an exhibit on the " Early History of Johore ", at the National Museum of Singapore, and several beads that he had discovered suggested that trade went on between the Roman Empire and the Malays, presumably, Gardner thought, via India.

" Writing Women's and Gender History in France: A National Narrative?

* History Painting Galleryfrom The National Gallery of Art in Washington, DC

* History of Medicine, United States National Library of Medicine

National Maritime Day proclamation by John A. Notte, Jr., Governor

The President of the United States, pursuant to a Joint Resolution of Congress, has issued a proclamation each year since 1933 declaring May 22nd to be National Maritime Day.

and now, therefore, do I, John A. Notte, Jr., Governor of the State of Rhode Island and Providence Plantations, proclaim Monday, May 22nd, 1961, as National Maritime Day, reminding our citizens that American Merchant ships and American seamen are ready at all times to serve our Nation in the cause of freedom and justice.

The President of the United States proclaimed the first Sunday in November as `` National Grandmothers' Day '' and urged America to say it with flowers.

* National Healthcare Decisions Day ( US )-April 16

* Liberation Day in Italy-April 25 is a National Holiday that celebrates the end of the Nazi Germany occupation in the Northern Italy.

* The Philippines celebrates National Heroes Day in commemoration of the First Cry of the Philippine Revolution on August 23, 1896.

* National Persian Gulf Day ( Iran )

* Earliest day on which National Heroes ' Day can fall, while August 28 is the latest ; celebrated on the fourth Monday in August.

* National Day, celebrates the independence of Singapore from Malaysia in 1965.

* National Peacekeepers ' Day, celebrated on Sunday closest to the day ( Canada )

* National Women's Day ( South Africa )

* National Day, celebrates the independence of Benin from France in 1960.

* National Day, commemorates Switzerland becoming a single unit in 1291.

*** National Acadian Day ( Acadians )

* HM the Queen's Birthday and National Mother's Day ( Thailand )

* National Science Day ( Thailand )

* National Aviation Day ( United States )

* National Day or Den ' Nezalezhnosti, celebrates the independence of Ukraine from the Soviet Union in 1991.

* National Day of Mourning, to commemorate workers killed, injured, or suffering illness from occupational hazards and accidents.

* National Heroes Day ( Barbados )

* National Day ( Sardinia )

* National Language Day or Limba Noastră ( Moldova )

* Day of National Unity ( Georgia )

* National Sovereignty and Children's Day ( Turkey and Northern Cyprus )