( 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.

As the Russian Revolution of 1905 progressed, Bolsheviks, Mensheviks and smaller non-Russian social democratic parties operating within the Russian Empire attempted to reunify at the Fourth ( Unification ) Congress of the RSDLP held at Folkets hus, Norra Bantorget in Stockholm, April 1906.

Gro Harlem Brundtland () ( born Gro Harlem, 20 April 1939 ) is a Norwegian Social democratic politician, diplomat, and physician, and an international leader in sustainable development and public health.

Pursuant to a 29 April 1991 interim basic law, Albanians ratified a constitution in 1998, establishing a democratic system of government based upon the rule of law and guaranteeing the protection of fundamental human rights.

The NTC pledged to organize democratic elections by April 2012, and expects Libya to develop into a constitutional democracy by 2013.

In 1997, attempts to renew national institutions through democratic elections ran into administrative difficulties, resulting in a court-ordered annulment of the legislative elections held in April 1997.

* April 18 – The first democratic general election with universal suffrage is held in Italy.

* April 5 – The Polish Government and the Solidarity labor union sign an agreement restoring Solidarity to legal status, and agreeing to hold democratic elections on June 1.

Before the February 1917 Russian revolution, Lenin had formulated a slogan calling for the ' democratic dictatorship of the proletariat and the peasantry ', but after the February revolution, through his April theses, Lenin instead called for " all power to the Soviets ".

The Committee produced its report in April 1993, and argued that " a republic is achievable without threatening Australia ’ s cherished democratic institutions.

The group had been proscribed in July 1966, but this ban was lifted on 4 April 1974 by Merlyn Rees, Secretary of State for Northern Ireland, in an effort to bring the UVF into the democratic process.

In April 1920, the Far Eastern Republic, with its capital in Chita, was formed from Amur, Transbaikal, Kamchatka, Sakhalin, and Primorye regions as a democratic " buffer " state in order to avoid war with Japan.

6 April used to be known as Van Riebeeck's Day, and later as Founders ' Day but the holiday was abolished by the ANC government after the democratic elections of 1994.

The April 1974 Revolution instituted a democratic State in Portugal, founded on the assumption of the integration of public liberties, respect and guaranty of individual rights with the inherent opening of a more active civic, political and social participation to citizens.

Thucydides tells that in April 431 BC, an armed force of 300 Thebans commanded by two leading Theban generals / politicians were admitted after dark on a stormy moonless night into Plataea by two private citizens who expected the Theban force to immediately capture and kill the democratic leaders and bring Plataea into alliance with Thebes.

* April 25-Portuguese democratic revolution.

After the war ended the OVRA was officially disbanded, but a Decree issued on April 26, 1945, stated that the CPC should be maintained and " updated with all the information pertaining to anybody whose political activity is aimed at breaking the laws and regulations enacted by the democratic Government against neo-Fascism, anarchists who are by definition against any law and government, and political activists whose moral depravity and contempt of law could prompt them to instigate unrest or commit acts of terrorism ".

Alia resigns as president and is succeeded on April 9 by Sali Berisha, the first democratic leader of Albania since Bishop Noli.

As a token of the effectiveness of democratic lobbying at local level, Seattle declared itself an MAI Free-Zone by unanimous vote in the City Council on Monday, 12 April, joining numerous cities in the US and around the world.

* In a television interview with Julian Assange on 17 April 2012, Nasrallah said that Israel “ is and will be an illegal state … It was established on the basis of occupying the lands of others .” He added, “ If I occupy your house by force it doesn't become mine in 50 or 100 years .” While “ Hezbollah does not want to kill anyone ”, the only solution to the Israeli-Palestinian conflict, he argued, was to establish a democratic state on Palestinian land where Muslims, Jews and Christians live in peace but that the US “ won't let people listen to Hezbollah .”

The committee, chaired by former Prime Minister David Lloyd George reported in April 1939 that no change should be made ; it found that preventing opposition to a sitting Speaker would be " a serious infringement of democratic principles " and that " to alter the status of the Speaker so that he ceased to be returned to the House of Commons by the same electoral methods as other members or as a representative of a Parliamentary constituency would be equally repugnant to the custom and tradition of the House ".

In April 2009, U. S. Representative Spencer Bachus claimed that 17 of his Congressional colleagues were socialists, but would only name one, Bernie Sanders, who has been openly describing himself as a democratic socialist for years.

On 7 April 2002, in the second round – the first time the mechanism had been used since the rules were introduced – Pacheco got 58 % of the vote, beating Rolando Araya of the social democratic PLN by a narrow margin.

Vladimír Špidla () ( born 22 April 1951 in Prague ) is a Czech politician, currently president of Czech social democratic think-tank Masaryk Democratic Academy.