Measurements at 3.15 cm were obtained on 11 days spread over the interval May 3 to June 19, 1956, using the 50-foot reflector at the U. S. Naval Research Laboratory in Washington.

On May 11, she reached Iceland.

The land went through several administrative changes before becoming an organized ( or incorporated ) territory on May 11, 1912, and the 49th state of the U. S. on January 3, 1959.

Hugo Alvar Henrik Aalto ( February 3 1898, Kuortane – May 11 1976, Helsinki ) was a Finnish architect and designer.

Alvar Aalto died on May 11 1976, in Helsinki.

In the Australian Capital Territory, the Act of Settlement was, on 11 May 1989, converted, from an act of the Parliament of England into an ACT enactment, by section 34 ( 4 ) of the Australian Capital Territory ( Self-Government ) Act 1988 ( Cwlth ), and then renamed The Act of Settlement 1700 by the Legislation Act 2001.

* In the episode " 11: 59 " of Star Trek: Voyager's fifth season ( original air date: May 5, 1999 ), Earth's first self-contained ecosystem known as " The Millennium Gate " is referenced and described as one kilometer tall and having begun construction in 2001.

An airport security guard and Imam, Abdulaziz al-Omari (,, also transliterated as Alomari or al-Umari ) ( May 28, 1979 – September 11, 2001 ) was one of five hijackers of American Airlines Flight 11 as part of the September 11 attacks.

The 11 ships of the First Fleet set sail on 13 May 1787.

On May 11, 1919, an extensive fire broke out on Cardiff Street, Aberdare.

The Berlin airlift, conducted by the three western Allies, overcame this blockade by supplying food and other supplies to the city from 24 June 1948 to 11 May 1949.

Due to the change from the Julian calendar to the Gregorian calendar, Bealltainn in Scotland was commonly celebrated on 15 May while in Ireland " Old Beltane " or " Old May " began about the night of 11 May.

Other areas damaged during World War II bombing included: in September 1940 two unexploded bombs hit the Edward VII galleries, the King's Library received a direct hit from a high explosive bomb, incendiaries fell on the dome of the Round Reading Room but did little damage ; on the night of 10 to 11 May 1941 several incendiaries fell on the south west corner of the Museum, destroying the book stack and 150, 000 books in the courtyard and the galleries around the top of the Great Staircase – this damage was not fully repaired until the early 1960s.

* Saint Petrock Royal Arch Chapter No. 330 was consecrated on the 11 April 1878, it currently meets on the third Wednesday in January, March, May, July, September & November

The PPT won the May 1957 pre-independence elections thanks to a greatly expanded franchise, and Lisette led the government of the Territorial Assembly until he lost a confidence vote on 11 February 1959.

On May 11, 2008 Sudan announced it was cutting diplomatic relations with Chad, claiming that it was helping rebels in Darfur to attack the Sudanese capital Khartoum.

Constantinople was built over 6 years, and consecrated on 11 May 330.

The Rump had not agreed to its own dissolution when it was dispersed by Cromwell and legislation from the period immediately before the Civil War — the Act against dissolving the Long Parliament without its own consent ( 11 May 1641 ) -- gave them the legal basis for this view.

On 10 May 1499, Cesare married Charlotte of Albret ( 1480 – 11 March 1514 ).

Following the second Bonus Army march on Washington D. C. a modification of the CCC program through Executive Order 6129 on 11 May now included work opportunities for veterans.

Janssen was born as David Harold Meyer in Naponee, Nebraska to Harold Edward Meyer, a banker ( May 12, 1906 – November 4, 1990 ) and Berniece Graf ( May 11, 1910 – November 26, 1995 ).

Anne Brontë (; 17 January 1820 – 28 May 1849 ) was a British novelist and poet, the youngest member of the Brontë literary family.

* May 27 – Thursday October Christian II, Pitcairn Islands leader ( b. 1820 )

* May 1 – Pierre Nord Alexis, President of Haiti ( b. 1820 )

* May 15 – Alexandru Ioan Cuza, first ruler of Romania ( b. 1820 )

* May 30 – The Kansas-Nebraska Act becomes law, replacing the Missouri Compromise ( of 1820 ), which had already been declared unconstitutional by the Supreme Court of the United States.

* 1820: John Clare 13 July 1793-20 May 1864 publishes Poems Descriptive of Rural life 1820

* May 28 – Anne Brontë, English author ( b. 1820 )

* May 21 – Joseph Fouché, French statesman ( d. 1820 )

" The auction was held at Bullocks in London on 15 May 1820, and raised £ 400 ( worth the equivalent of over £ 26, 000 in 2010 ).

In May 1820 he forwarded his resignation as president of the Royal Society, but withdrew it at the request of the council.

Caroline of Brunswick-Wolfenbüttel ( Caroline Amelia Elizabeth ; later Queen Caroline ; 17 May 1768 – 7 August 1821 ) was the Queen consort of King George IV of the United Kingdom from 29 January 1820 until her death.

On May 15, 1820, Congress authorized an extension to St. Louis, Missouri, on the Mississippi River, and on March 3, 1825, across the Mississippi to Jefferson City, Missouri.

Phillips County is Arkansas's seventh county, formed on May 1, 1820, and named for Sylvanus Phillips, the area's first-known white settler and representative to the first Territorial Legislature of the Arkansas Territory.

Florence Nightingale OM, RRC (; 12 May 1820 – 13 August 1910 ) was a celebrated English nurse, writer and statistician.

Ferries crossed the river as early as May 20, 1820 when Isaac Canby was licensed for a ferry across the river and another to cross the creek.

He does say that in May 1820 when Trigg became a county, a commission was established to choose a county seat.

With this motivation, the new foundation stone of Magdalen Hall was laid at the new site on 3 May 1820, and the Hall's migration was complete by 1822.

The land upon which the town stands was entered on the 13th of May, 1820 by William Simmons.

During this expedition, which lasted from May 1819 to November 1820, Sabine noted that changes in magnetic intensity had taken place since his previous visit.

Benjamin Henry Boneval Latrobe ( May 1, 1764 – September 3, 1820 ) was a British-born American neoclassical architect best known for his design of the United States Capitol, along with his work on the Baltimore Basilica, the first Roman Catholic Cathedral in the United States.

Mathilde Laetitia Wilhelmine Bonaparte, Princesse Française ( May 27, 1820 – January 2, 1904 ), was a French princess and Salon holder.

* Spain ( 1817 ): A Treaty was signed with Spain under which she agreed to abolish the slave trade north of the Equator and suppress it totally by 30 May 1820 for which the British government paid Spain 400, 000 pounds ;

The first was the father of Maréchal de Camp Monsieur Raymond Dessalines, created 1st Baron de Louis Dessalines on 8 April 1811, aide-de-camp to King Henry I, Privy Councilor, Secretary-General of the Ministry of War between 1811 and 1820 and Member of the Royal Chamber of Public Instruction between 1818 and 1820, who received the degree of Knight of the Order of St. Henry on 1 May 1811 and was killed by the revolutionaries at Cap-Henri on 10 October 1820.