The United States Naval Observatory began the A. 1 scale 13 September 1956, using an Atomichron commercial atomic clock, followed by the NBS-A scale at the National Bureau of Standards, Boulder, Colorado.

Panel S-74 of the National September 11 Memorial's South Pool, one of six on which the names of Pentagon victims are inscribed.

On September 12, 2002, Defense Secretary Donald Rumsfeld and General Richard Myers, Chairman of the Joint Chiefs of Staff, dedicated the Victims of Terrorist Attack on the Pentagon Memorial at Arlington National Cemetery.

At the National September 11 Memorial, the names of the Pentagon victims are inscribed on the South Pool, on Panels S-1 and S-72 – S-76.

In Canada, Maple Leaf Day falls on the last Wednesday in September during National Forest Week.

Arbor Day was celebrated from 1983 until 1999 in South Africa, when the national government extended it to National Arbor Week, which lasts from 1 – 7 September.

A revival by the Royal National Theatre opened at the Olivier Theatre on September 26, 1995.

On September 5, 1901 Patrick T. Powers, president of the Eastern League announced the formation of the second National Association of Professional Baseball Leagues, the NABPL or " NA " for short.

Jane Goodall, in a September 27, 2002, interview on National Public Radio's " Science Friday ", expressed her ideas about the existence of Bigfoot.

At the National September 11 Memorial & Museum, Berenson is memorialized at the North Pool, on Panel N-76.

Olson ’ s name is located on Panel S-70 of the National September 11 Memorial ’ s South Pool, along with those of other passengers of Flight 77.

At the National September 11 Memorial, Olson's name is located on Panel S-70 of the South Pool, along with those of other passengers of Flight 77.

The National Socialist Movement of Chile supported Ibáñez's candidacy, which had been announced on September 4.

The composer Manuel Robles and the poet Bernardo de Vera y Pintado fulfilled this mandate and their " National Song " debuted on 20 August 1820 in the Domingo Arteaga theater, although other historians claim that it was played and sung during the festivities of September 1819.

Beug ’ s name is located on Panel N-1 of the National September 11 Memorial ’ s North Pool, along with those of other passengers of Flight 11.

Jones ' name is located on Panel N-74 of the National September 11 Memorial ’ s North Pool, along with those of other passengers of Flight 11.

By September, the Dodgers were eliminated by the Rockies from playoff contention, and the Diamondbacks were expected to clinch the National League West division title.

As a result of the Rockies ' remarkable September run, the team finished the regular season tied with the Padres for the National League wild card spot in the playoffs.

Remnants of the Guard later formed groups such as the Fifteenth of September Legion, the Anti-Sandinista Guerrilla Special Forces, and the National Army of Liberation.

The names of David Angell and his wife are located atop Panel N-1 of the National September 11 Memorial's North Pool, along with other passengers from Flight 11.

In September 2005, as part of its campaign to demonstrate that the military allowed open homosexuals to serve when its manpower requirements were greatest, the Center for the Study of Sexual Minorities in the Military ( now the Palm Center ), a reported that army regulations allowed the active duty deployment of Army Reservists and National Guard troops who claim to be or who are accused of being gay.

On September 5, 2005, the National Elections Board of Ethiopia released the final election results, which confirmed that the ruling Ethiopian People's Revolutionary Democratic Front retained its control of the government, but showed that opposition parties had increased their share of parliamentary seats, from 12 to 176.

On September 5, 2005, the National Elections Board of Ethiopia released the final election results in which confirmed that the ruling Ethiopian People's Revolutionary Democratic Front retained its control of the government, but showed that opposition parties had increased their share of parliamentary seats, from 12 to 176.

* Fermi, E. " Taylor instability of incompressible liquids ", Los Alamos National Laboratory ( through predecessor agency Los Alamos Scientific Laboratory, ( September 1951 ).

After the September 1942 Conference at Pezë, the National Liberation Front was founded with the purpose of uniting the anti-Fascist Albanians, regardless of ideology or class.

The National Hockey League tends to have close to a full slate of games ( 11 were played in 2010 ), following the league-wide days off given for Christmas Eve and Christmas Day.

The " National Team " of government critics won 12 ( later reduced to 11 ) of the 15 seats, and independents won the other three, after a campaign opposing the appointment of

The only forest left completely untouched in Côte d ' Ivoire is Taï National Park ( Parc National de Taï ), a area in the country's far southwest that is home to over 150 endemic species and many other endangered species such as the Pygmy Hippopotamus and 11 species of monkeys.

At the National 9 / 11 Memorial, Beug is memorialized at the North Pool, on Panel N-1.

At the National 9 / 11 Memorial, Jones is memorialized at the North Pool, on Panel N-74.

* Citizenship is a compulsory subject of the National Curriculum in state schools in England for all pupils aged 11 – 16.

According to the National Weather Service, Chicago's highest official temperature reading of was recorded on June 1, 1934, and July 11, 1936, both at Midway Airport.

At the National 9 / 11 Memorial, Angell and his wife are memorialized at the North Pool, on Panel N-1, along with other passengers from Flight 11.

National Endowment for the Arts, June 11, 2001.

National Endowment for the Arts, June 11, 2005.

The National Party Congress selects, for two year terms, the 30 members of the Central Executive Committee and the 11 members of the Central Review Committee.

Mass protest compelled Mubarak, the leader of the National Democratic Party, to resign on 11 February 2011, ending his fifth term in office.

High-speed buses on the George Washington Memorial Parkway, operating between downtown Washington and Cabin John, Glen Echo and Brookmont, would constitute an alluring sample of what the new National Capital Transportation Agency can do for this city.

Of course, while in this vicinity you won't want to miss a visit to Mount Rushmore National Memorial where on the side of a mountain are the famous sculptures of Presidents Washington, Lincoln, Jefferson and Theodore Roosevelt.

The hotly debated plan for the capital's Franklin D. Roosevelt Memorial, a circle of huge tablets engraved with his speeches ( and promptly dubbed by one of its critics, `` Instant Stonehenge '' ), is another of Udall's headaches, since as supervisor of the National Parks Commission he will share in the responsibility for building it.

Capp received the National Cartoonists Society's Billy DeBeck Memorial Award in 1947 for Cartoonist of the Year.

The National Chiang Kai-shek Memorial Hall is a famous monument, landmark, and tourist attraction in Taipei, Taiwan.

* The National Chiang Kai-shek Memorial Hall Official Site

*" The Memorial Song of Late President Chiang Kai-shek " ( Ministry of National Defence of ROC )

* National Memorial Day of the Exiles and Foibe, commemorate Italian Istrian and Dalmatian exiles and Foibe massacres ( Italy, especially in Trieste )

* 2001 – The Oklahoma City bombing museum is dedicated at the Oklahoma City National Memorial.

In 2005, Lucas gave US $ 1 million to help build the Martin Luther King, Jr. National Memorial on the National Mall in Washington D. C. to commemorate American civil rights leader Martin Luther King, Jr.

Engraving of Kilroy was here | Kilroy on the National World War II Memorial | World War II Memorial in Washington, D. C ..

Since 1963, it was proclaimed by the President of the Federal Republic as " National Day of Memorial of the German People.

At the National September 11 Memorial, Bailey is memorialized at the South Pool, on Panel S-3.