The crash of his ambitious Lawson L-4 " Midnight Liner " during its trial flight takeoff on May 8, 1921, ended his best chance for commercial aviation success.

Andrei Dmitrievich Sakharov (; May 21, 1921 – December 14, 1989 ) was a Soviet nuclear physicist, dissident and human rights activist.

Sakharov was born in Moscow on May 21, 1921.

‘ Abdu ’ l-Bahá (‎; 23 May 1844 – 28 November 1921 ), born ‘ Abbás Effendí, was the eldest son of Bahá ' u ' lláh, the founder of the Bahá ' í Faith.

The earliest of these was a casual reference on May 3, 1921:

On 14 May 1921, the Politburo, chaired by Lenin, passed a motion " broadening the rights of the in relation to the use of the penalty.

Eleven of the 26 were elected Teachta Dála ( members of the Dáil ) in the 1918 general election and 13 in the May 1921 election.

In May 1921, the IRA in Dublin attacked and burned the The Custom House.

One of the strongest critics of the Black and Tans was King George V who in May 1921 told Lady Margery Greenwood that ‘ he hated the idea of the ‘ Black and Tans ”.’

In May 1921 ibn Saud's Wahhabi Bedouins of Nejd attacked a Kuwaiti detachment in southern Kuwait, forcing its retreat.

Karel van het Reve ( 19 May 1921, Amsterdam – 4 March 1999, Amsterdam ) was a Dutch writer, translator and literary historian, teaching and writing on Russian literature.

His mother, Harriet May Norton, a 1921 graduate of Oberlin College, was the daughter of the Rev.

In May 1921, the Afghans and the Soviets signed a Treaty of Friendship, Afghanistan's first international agreement since gaining full independence in 1919.

The ballet's premiere in Paris on 17 May 1921 was a huge success and was greeted with great admiration by an audience that included Jean Cocteau, Igor Stravinsky and Maurice Ravel.

The Tulsa Race Riot was a large-scale racially motivated conflict on May 31 and June 1, 1921, in which whites attacked the black community of Tulsa, Oklahoma.

Previously, on May 21, 1921 President Harding had signed emergency legislation that put tariffs on select foreign inputs.

On May 12, 1921, just two months into Harding's presidency, violence was initiated near Matewan, West Virginia, between private detectives, on behalf of the Stone Mountain Coal Company, and United Mine Workers union members who had been fired from their jobs and were being evicted from company-owned housing.

The Per Centum Act of 1921 signed by President Harding on May 19, 1921 severely reduced the amount of immigration into the U. S. to 3 % of a country's represented population based on the 1910 census.

** Franco-Turkish War ( May 1920 – October 1921 )

* May 29 – Arthur Mold, English cricketer ( d. 1921 )

* May 2 – Caryl Chessman, American criminal ( b. 1921 )

* May 28 – George Ashlin, Irish Architect ( d. 1921 )

* May 31 – Julius Richard Petri, German bacteriologist ( d. 1921 )

* May 23 – ` Abdu ' l-Bahá, Persian Bahá ' í religious leader ( d. 1921 )

On May 11,330, A.D.,, its name was changed again, this time to Constantinople after its emperor, Constantine.

Sturdy and strong after more than a century of continuous use, the old covered, wooden bridge that spans the Tygartis Valley River at Philippi will have a distinctive part in the week-long observance of the first land battle of the Civil War at its home site, May 28th to June 3rd.

Mr. Kennedy told Moscow he would give his answer by May 20 after consultation with the Allies.

:: L. Marcus Annius Verus Caesar ( after May 162 – 10 September 169 ), died young without issue

It became effective as a federal government standard on May 26, 2002 after approval by the Secretary of Commerce.

Originally referred to as Baby for several months, she was eventually named Abby May after her mother.

" He died three days later on March 4 ; Louisa May died only two days after her father.

On May 25, 1961, twenty days after the first US manned spaceflight Freedom 7, Kennedy proposed the Apollo program to Congress in a special address to a joint session:

Albert of Prussia (; ) ( 17 May 1490 – 20 March 1568 ) was the 37th and last sovereign Grand Master of the Teutonic Knights and, after converting to Lutheranism, the first duke of the Duchy of Prussia, which was the first state to adopt the Lutheran faith and Protestantism as the official state religion.

Joining the League of Torgau in 1526, he acted in unison with the Protestants, and was among the princes who banded and plotted together to overthrow Charles V after the issue of the Augsburg Interim in May 1548.

The Senate took three votes: on May 16, it voted on the 11th article of impeachment, which included many of the charges contained in the other articles, and on May 26 voted on the second and third articles, after which the trial adjourned.

In the seventh week after Easter May 878, around Whitsuntide, Alfred rode to ‘ Egbert's Stone ’ east of Selwood, where he was met by " all the people of Somerset and of Wiltshire and of that part of Hampshire which is on this side of the sea is, west of Southampton Water, and they rejoiced to see him ".

Afonso died almost immediately after, in Lisbon in May.

Antoine-Laurent de Lavoisier ( also Antoine Lavoisier after the French Revolution ; 26 August 17438 May 1794 ; ), the " father of modern chemistry ," was a French nobleman prominent in the histories of chemistry and biology.

* Earliest day on which Store Bededag or General Prayer Day can fall, while May 13 is the latest ; observed on the 4th Friday after Easter day.

On May 8, after going 12 – 17 in 29 games, the Diamondbacks released manager Bob Melvin and hired A. J. Hinch.

Alexander V died soon after, and on 25 May 1410 Cossa was consecrated pope, taking the name John XXIII.

In addition, in 889, Arnulf supported the claim of Louis the Blind to the kingdom of Provence, after receiving a personal appeal from Louis ’ mother, Ermengard, who came to see Arnulf at Forchheim in May 889.

His troops left Córdoba on 7 May 914 and, after a few days, encamped before the walls of Balda ( identified with today's Cuevas de San Marcos ).

The Amir Sher Ali marched up against them from Kandahar ; but in the battle that ensued at Sheikhabad on May 10, he was deserted by a large body of his troops, and after his signal defeat Abdur Rahman released his father, Afzul Khan, from prison in Ghazni, and installed him upon the throne as Amir of Afghanistan.

On May 21, 1984, during a press conference at which the Atari 7800 was introduced, company executives revealed that the 5200 had been discontinued after just two years on the market.

A Funny Thing Happened on the Way to the Forum opened on Broadway on May 8, 1962 at the Alvin Theatre, and then transferred to the Mark Hellinger Theatre and the Majestic Theatre, where the show closed on August 29, 1964, after 964 performances and 8 previews.

Gianfranco Fini was notably nominated Deputy Prime Minister after the 2001 general election and was Foreign Minister from November 2004 to May 2006.

After three years of consistent use across different platforms, the BBC began to drop the BBCi brand gradually ; on 6 May 2004, the BBC website was renamed bbc. co. uk, after the main URL used to access the site.