( 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.

On 22 April and 7 May 1990, the first free multi-party elections were held in Croatia.

* Aurelio Sabattani ( 26 November 1990 – 5 April 1993 )

In April 1990, Mobutu declared the Third Republic, agreeing to a limited multi-party system with elections and a constitution.

This lasted roughly between the establishment of Zaire in 1971, and the official beginning of the transition towards democracy, on 24 April 1990.

Elbonia is supposedly located somewhere in the former Soviet bloc: a strip dated April 2, 1990 refers to the " Tiny East European country of Elbonia.

Eve Arden ( April 30, 1908 – November 12, 1990 ) was an American actress.

In addition, he promised to open up the PDG and to organize a national political conference in March – April 1990 to discuss Gabon's future political system.

The April 1990 conference approved sweeping political reforms, including creation of a national Senate, decentralization of the budgetary process, freedom of assembly and press, and cancellation of the exit visa requirement.

The first manga was originally serialized in Young Magazine from April 1989 to November 1990 and was followed by a sequel, Man-Machine Interface, from September 1991 to August 1997 ; each series was later published as its own tankōbon volume by Kodansha.

On 26 April 1990 GM's New Zealand subsidiary, Holden New Zealand, announced that production at the assembly plant based in Trentham would be phased out and that vehicles would be imported duty-free.

Harold Eugene " Doc " Edgerton ( April 6, 1903 – January 4, 1990 ) was a professor of electrical engineering at the Massachusetts Institute of Technology.

In April 1990, another deliberation council, the Election Systems Research Council, submitted proposals that included the establishment of single-seat constituencies in place of the multiple-seat system.

Prime Minister Toshiki Kaifu signaled a broadening of Japan's interest in South Asia with his swing through the region in April 1990.

Dahmer picked up the pace of his killing: four more murders before the end of 1990, two more in February and April 1991, and another in May 1991.

Between January and April 1990 each of the Communist Party leaders of the five states of Soviet Central Asia assumed the position of Chairman of the Supreme Soviet in their respective SSRs, without any difficulty from the still weak opposition forces in the region.

In Kirghizia the 1990 elections were held on 25 February, with a second round on 7 April.

Absamat Masaliyev the Communist leader was voted by the new Parliament as Chairman of the Supreme Soviet of Kirghizia on 10 April 1990.

On April 24, 1990, Milken pleaded guilty to six counts of securities and tax violations.

The team, initially 55 strong, was duly deployed on 26 March 1990 and the first leaders cadre, for the 1st and 2nd Battalions, was run from 17 April to 2 June.

" However, following the People's Power revolution in April 2006, the 1990 constitution has been replaced by an interim constitution which has removed the King from anything to do with the army.

By a law that took effect in April 1990, the EPS became subordinate to President Chamorro as commander in chief.

Neil Kinnock's showing in the opinion polls dipped ; before Thatcher's resignation, Labour had been up to 10 points ahead of the Tories in the opinion polls ( an Ipsos MORI poll in April 1990 had actually shown Labour more than 20 points ahead of the Tories ), but many opinion polls were actually showing the Tories with more support than Labour, in spite of the deepening recession.

The album was supposed to be released in late 1989, but was pushed back to April 1990.

The journal Nanotechnology was launched in 1989 ; the famous Eigler-Schweizer experiment, precisely manipulating 35 xenon atoms, was published in Nature in April 1990 ; and Science had a special issue on nanotechnology in November 1991.

On April 8, 1994, Cobain was found dead in his Seattle home from an apparently self-inflicted gunshot wound ; Nirvana summarily disbanded.

On April 8, 1994, Babes in Toyland played a benefit show for Rock Against Domestic Violence with 7 Year Bitch, and Jack Off Jill in Miami at the Cameo Theater, the same day lead-singer of American grunge rock band Nirvana, Kurt Cobain, had been found dead in his Seattle home.

In April, 2011 The Northwest Passage was de-installed to make room for the Nirvana: Taking Punk to the Masses exhibit.

* Nirvana: April 2003 – October 2004 ;

Kurt Donald Cobain ( 20 February 1967 – 5 April 1994 ), Nirvana lead singer and guitarist, moved to Montesano with his father as a child, following the divorce of his parents in 1976.

In April 1994 Nirvana frontman Kurt Cobain was found dead, a story which affected not only his fans and readers of the NME, but would see a massive change in British music.

Cobain invited them to play on the tour Nirvana planned for the UK in April, but he died a week before the tour began.

Grunge band Nirvana was scheduled to headline at the festival in 1994, but the band officially dropped out of the festival on April 7, 1994.

From the Muddy Banks of the Wishkah was the second Nirvana album to be released following the death of singer / guitarist Kurt Cobain in April 1994.

The only official recordings they made — which provided the songs for the last Easybeats single — was the rocking " St Louis " ( presaging their later work with AC / DC ), and the B-side " Can't Find Love ", recorded in April at Olympic Studios with Ray Singer, a former member of UK band Nirvana, who had made a name for himself as a producer with Peter Sarstedt's " Where Do You Go To ( My Lovely )".

McKagan was one of the last people confirmed to see Nirvana frontman Kurt Cobain before he died on April 5, 1994.

On April 9, 1993 Nirvana performed for Bosnians rape victims in the Cow Palace and the first song was Rape Me.

Rumors of a posthumous Nirvana box set, or anthology, first surfaced in the mid-1990s, not long after the death of the band's singer and guitarist Kurt Cobain in April 1994.

** Nirvana ( album ) was the fourth Nirvana album is released following the death of singer / guitarist Kurt Cobain in April 1994 and the album has featured on it the unreleased song You Know You're Right.

Nirvana fans gather at the park on the anniversary of Cobain's death ( April 5 ), and to a lesser extent on his birthday ( Feb 20 ), to pay tribute to the musician.

The station has been a mainstay in Olympia's local music scene, including a famous early appearance by Nirvana on April 17, 1987 ( their second ever ) and a Kurt Cobain solo acoustic performance on 1990 ( both included on the Nirvana box set With the Lights Out ).

Between April 17 and April 21, 2006, WBRU played their entire music catalog by title from A-Z, starting at 5: 30 p. m. with " About a Girl " by Nirvana on the 17th and ending around 11: 15 on the 21st with " Zombie " by The Cranberries.