( 1990 ) carried out a radial velocity ( Doppler shift of spectral lines ) study of the star in April and May 1988, which showed variability with a frequency of the order of a few microhertz, the highest peak corresponding to 4. 3 μHz ( 2. 7 days ) with an amplitude of 60 ms < sup >− 1 </ sup >, with a frequency separation of ~ 5 μHz.

* Critchley, Julian, ' Homage to a lonely lad ', Weekend Telegraph ( UK ), 23 April 1988.

A Broadway staging in April 1988 received disastrous reviews, and closed after just two months.

A Beltane Fire Festival has been held every year since 1988 during the night of 30 April on Calton Hill in Edinburgh, Scotland and attended by up to 15, 000 people.

Desi Arnaz was born Desiderio Alberto Arnaz y de Acha III in Santiago de Cuba to Desiderio Alberto Arnaz II ( March 8, 1894-May 31, 1973 ) and his wife Dolores de Acha ( April 2, 1896-October 24, 1988 ).

1 – 2 ) ( April 1988 ), pp. 304 – 308 .</ cite >

" Rays and Fumes in the Air and in the News ", The New York Times, April 1, 1988.

This figure, set up on April 27, 1988, was commissioned by the Basque Government to commemorate the 50th anniversary of the bombing of Guernica.

The April 1988 issue of Oh!

* Article in the April 1988 issue of Oh!

On April 19, 1988, Japanese telecommunications company NTT began offering nationwide ISDN services trademarked INS Net 64, and INS Net 1500, a fruition of NTT's independent research and trial from the 1970s of what it referred to the INS ( Information Network System ).

He was promoted to colonel in April 1988, and became the Military Secretary to the Commandant of the Marine Corps in February 1989.

Kurt Georg Kiesinger (; 6 April 1904 – 9 March 1988 ) was a German politician affiliated with the Christian Democratic Union ( CDU ).

In April 1988, a joint commission for cooperation was established between Ghana and Nigeria.

* Calvin, William " Neural Darwinism: The Theory of Neuronal Group Selection ", Science, 24 June 1988, accessed April 16, 2007 ( a review of Gerald Edelman's book Neural Darwinism )

Known as a savvy dresser, he made the April 1988 cover of GQ magazine.

In April 1988, President Reagan invoked the International Emergency Economic Powers Act, freezing Panamanian Government assets in U. S. banks, withholding fees for using the canal, and prohibiting payments by American agencies, firms, and individuals to the Noriega regime.

* Phipps, William E., Eve and Pandora Contrasted, in Theology Today, v. 45, n. 1, April 1988, Princeton: Princeton Theological Seminary.

On April 16, 1988, in Forlì, Red Brigades-PCC killed Italian senator Roberto Ruffilli, an advisor of Italian Prime Minister Ciriaco de Mita.

Roy Kelton Orbison ( April 23, 1936 – December 6, 1988 ) was an American singer-songwriter, best known for his distinctive, powerful voice, complex compositions, and dark emotional ballads.

He wed the much-younger Mary Whitaker in 1986 and they had two children, son Chesare Elan on April 25, 1988 and daughter Chianna Maria on February 2, 1991.

*" Fantasy for Fun and Profit ": an article about the company from the Austin American Statesman, April 18, 1988

On 16 April 1988, as the Intifada was raging, Abu Jihad was assassinated in his Tunis household, allegedly by an Israeli hit squad.

* April 15 – Nikolaas Tinbergen, Dutch ornithologist, Nobel Prize laureate ( d. 1988 )

* April 24 – William Sargant, British psychiatrist ( d. 1988 )

He moved to Boston on April 24, 1828, and was immediately impressed, referring to the city as a place " where the light of the sun of righteousness has risen.

After bribing the Western troops who had guarded the city, Isaac and Alexios Komnenos entered the capital victoriously on April 1, 1081.

Afonso II (; English Alphonzo ), or Affonso ( Archaic Portuguese ), Alfonso or Alphonso ( Portuguese-Galician ) or Alphonsus ( Latin version ), nicknamed " the Fat " ( Portuguese o Gordo ), King of Portugal, was born in Coimbra on 23 April 1185 and died on 25 March 1223 in the same city.

The city fell in the April of that year.

The proclamation of the Second Spanish Republic was much celebrated in the city on 14 April 1931.

Alicante was the last city loyal to the Republican government to be occupied by dictator Franco's troops on 1 April 1939, and its harbour saw the last Republican government officials fleeing the country.

The city is home to the Atlanta Dogwood Festival, an annual arts and crafts festival held one weekend during early April, when the native dogwoods are in bloom.

On 1 April 1881 it became a city district separate from Brandenburg.

On April 18, 2011, it was reported that a military mutiny in Burkina Faso had spread to a fourth city, Kaya, after demonstrations in Po and Tenkodogo.

Daytime readings in Moundou, the major city in the southwest, range from in the middle of the cool season in January to about in the hot months of March, April, and May.

Wind storms can be frequent, bringing Saharan dust into the city during the months of March and April.

Severe weather is uncommon in the Chicago area, though there have been some exceptions such as the F4 tornado that devastated the south side of the city on April 21, 1967.

Eureka was incorporated as a fourth-class city on April 7, 1954.

On 1 April, the city celebrates the publication of his best-known book The Praise of Folly.

Early on Monday morning, 24 April 1916, roughly 1, 200 Volunteers and Citizen Army members took over strongpoints in Dublin city centre.

The British commander, Lowe, worked slowly, unsure of the size of the force he was up against, and with only 1, 269 troops in the city when he arrived from the Curragh Camp in the early hours of Tuesday 25 April.

At 5 a. m. on the foggy morning of 12 April 2, 000-3, 000 German soldiers from the Brigade von Tshirsky attacked the city from the north-west, supported via the Helsinki-Turku railway.

By the late evening of 12 April most of the major southern parts and all the western area of the city had been occupied by the Germans, who cleared the city house by house, street by street.

Of the approximately 4, 800 Jews who had lived in Hannover 1938, fewer than 100 were still in the city when troops of the United States Army arrived on April 10, 1945 to occupy Hanover at the end of the war.

The US 84th Infantry Division captured the city on 10 April 1945.

On 19 April 2001 it was officially redesignated as a city.

* 19 April 2001-Iqaluit receives its order of official status as a city

Cologne's city council and the Prussian parliament had been dissolved ; on 4 April 1933, he was officially dismissed as mayor and his bank accounts frozen.

The city was officially founded on 1 April 1889.