* I. Cervelli, Questioni sibilline, « Studi storici » 34, 1993, pp. 895 – 1001.

* Tullio Levi-Civita Questioni di meccanica classica e relativistica ( Bologna, N. Zanichelli, 1924 )

" Per una nuova edizione dei frammenti di Teopompo di Chio: riflessioni su alcune problematiche teoriche e metodologiche " Ktèma.

An automatic weather installation was completed on April 7, 1980, with data collected by this station being transmitted directly by satellite to Brittany.

In 2003, the NZBS further extended restrictions to preclude permanently donors who had received a blood transfusion in the United Kingdom since January 1980, and in April 2006, restrictions were further extended to include the Republic of Ireland and France.

In April 1980, the track " Crying ” from the album began picking up airplay on Dutch radio stations and McLean was called to Europe to appear on several important musical variety shows to plug the song and support its release as a single by EMI.

A constituent assembly was popularly elected in April 1980 and general elections were held in November 1981.

The United Kingdom ceremonially granted Zimbabwe independence on April 18, 1980 in accordance with the Lancaster House Agreement.

Isle Royale National Park was established on April 3, 1940, was designated as a Wilderness Area in 1976, and was made an International Biosphere Reserve in 1980.

Jean-Paul Charles Aymard Sartre (; ; 21 June 1905 – 15 April 1980 ) was a French existentialist philosopher, playwright, novelist, screenwriter, political activist, biographer, and literary critic.

Sartre died 15 April 1980 in Paris from edema of the lung.

Rioting ensued throughout Liberia, finally leading to a military coup d ' état in April 1980.

On April 12, 1980, Doe led a bloody coup d ' état against president Tolbert, in which Tolbert and twenty-six of his supporters were murdered ; ten days later thirteen of Tolbert ’ s Cabinet members were publicly executed.

The Sahrawi Arab Democratic Republic ( SADR ) was proclaimed by Polisario on 28 February 1976, and Libya began to recognize the SADR as the legitimate government of Western Sahara starting 15 April 1980.

The Sahrawi Arab Democratic Republic ( SADR ) was proclaimed by Polisario on 28 February 1976, and Libya began to recognize the SADR as the legitimate government of Western Sahara starting 15 April 1980.

Created and directed by Yoshiyuki Tomino, it premiered in Japan on Nagoya Broadcasting Network on April 7, 1979, and lasted until January 26, 1980, spanning 43 episodes.

Joseph Philippe Pierre Yves Elliott Trudeau (; ; October 18, 1919 – September 28, 2000 ), usually known as Pierre Trudeau or Pierre Elliott Trudeau, was the 15th Prime Minister of Canada from April 20, 1968 to June 4, 1979, and again from March 3, 1980 to June 30, 1984.

Therefore, when Zimbabwe Rhodesia returned to colonial status from December 1979 to April 1980, it was named " Southern Rhodesia " ( which had always been the official British government name for Rhodesia and Zimbabwe Rhodesia ).

Southern Rhodesia subsequently gained international recognition of its independence in April 1980, when it became the independent Republic of Zimbabwe.

New elections were held in 1980, and Zimbabwe gained recognized independence in April 1980, with Robert Mugabe as prime minister.

Davidson and Fraser ; The Design and Application of a Retargetable Peephole Optimizer ; ToPLaS v2 ( 2 ) 191-202 ( April 1980 )

Williams first single for Skyhooks, " Over the Border ", reached the top 40 in April, and their fifth studio album, Hot for the Orient, appeared in May 1980, but failed to peak into the top 50.

The following month, on 21 April 1980, the band's second LP, Hypnotised was released.

Soedjatmoko ( 10 April 1980 ),

President Mugabe's affiliated party won every election from independence on April 18, 1980, until it lost the parliamentary elections in March 2008 to the Movement for Democratic Change.

In April 1980, ZZ Top made their first appearance in Europe, performing for the German music television show Rockpalast.

Since some of the Roman months were named in honor of divinities, and as April was sacred to the goddess Venus, the Festum Veneris et Fortunae Virilis being held on the first day, it has been suggested that Aprilis was originally her month Aphrilis, from her equivalent Greek goddess name Aphrodite ( Aphros ), or from the Etruscan name Apru.

Alexander Mackenzie, PC ( January 28, 1822 – April 17, 1892 ), a building contractor and newspaper editor, was the second Prime Minister of Canada from November 7, 1873 to October 8, 1878.

Aurelius Ambrosius, better known in English as Saint Ambrose ( c. 330 – 4 April 397 ), was an archbishop of Milan who became one of the most influential ecclesiastical figures of the 4th century.

Albert married first, to Princess Dorothea ( 1 August 1504-11 April 1547 ), daughter of King Frederick I of Denmark, in 1526.

The battle which followed on April 6, 402 ( coinciding with Easter ), was a victory for Rome, though a costly one.

Alexander I ( c. 1078 – 23 April 1124 ), also called Alaxandair mac Maíl Coluim ( Modern Gaelic: Alasdair mac Mhaol Chaluim ) and nicknamed " The Fierce ", was King of the Scots from 1107 to his death.

# Margaret ( 28 February 1261 – 9 April 1283 ), who married King Eirik II of Norway

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.

), and maternal granddaughter of Ignacio Mariscal y ... ( 5 July 1829, Oaxaca, Mexico – 17 April 1910, Mexico City ) and wife ..., and had issue:

* Leandro Alfonso Luis Ruíz y Moragas ( born 26 April 1929 ), officially recognized by Spanish Courts on 21 May 2003 as Leandro Alfonso Luis de Borbón y Ruíz Moragas

In April 1998, American photographer John S Callahan organized the first surfing project in the Andamans, starting from Phuket in Thailand with the assistance of Southeast Asia Liveaboards ( SEAL ), a UK owned dive charter company.

* Stephen ( 1236 – 10 April 1271 ), father of Andrew III of Hungary.

Amalric II of Jerusalem or Amalric I of Cyprus, born Amalric of Lusignan ( 1145 – 1 April 1205 ), King of Jerusalem 1197 – 1205, was an older brother of Guy of Lusignan.

Saint Adalbert, Czech: ;, ( c. 956 – April 23, 997 ), Czech Roman Catholic saint, a Bishop of Prague and a missionary, was martyred in his efforts to convert the Baltic Prussians.

Ælfheah (, " elf-high "; 954 – 19 April 1012 ), officially remembered by the name Alphege within some churches, and also called Elphege, Alfege, or Godwine, was an Anglo-Saxon Bishop of Winchester, later Archbishop of Canterbury.

Ælfheah refused to allow a ransom to be paid for his freedom, and as a result was killed on 19 April 1012 at Greenwich ( then in Kent, now part of London ), reputedly on the site of St Alfege's Church.

The Thai zodiac includes a Naga in place of the Dragon and begins, not at Chinese New Year, but at either on the first day of fifth month in Thai lunar calendar, or during the Songkran festival ( now celebrated every 13 – 15 April ), depending on the purpose of the use.

The African National Congress ( ANC ) is South Africa's governing political party, supported by its tripartite alliance with the Congress of South African Trade Unions ( COSATU ) and the South African Communist Party ( SACP ), since the establishment of non-racial democracy in April 1994.

Phillip played a leading part in the capture of the Spanish ship San Agustín ( 1768 ), on 19 April 1777, off Santa Catarina.

Abdülhamid I, Abdul Hamid I or Abd Al-Hamid I ( Ottoman Turkish: عبد الحميد اول ` Abdü ’ l-Ḥamīd-i evvel ), which translates to the Servant of God ( March 20, 1725 – April 7, 1789 ), was the 27th Sultan of the Ottoman Empire.

During the summer months ( April – September ), dogs are banned from the Silver Sands but they are allowed all year round at the Black Sands.