24 March 1930 | Born in Madrid. Elementary school in Germany. Nephew of the Spanish composers Rodolfo and Ernesto Halffter |
1947-1951 | Private studies of harmony and composition with Conrado del Campo and at the Real Conservatorio de Música in Madrid, where he graduated in 1951 |
| 1951 | Halffter began to work for the Spanish Radio |
1955-1963 | Conductor of the de Falla Orchestra in Spain |
1961-1966 | Professor for composition at the Real Conservatorio de Música in Madrid, which he directed between 1964 - 1966 |
1967 | On scholarship in the United States (Ford Foundation) and Berlin (DAAD). |
| 1970-1978 | Lecturer at the University of Navarra; lecturer at the Internationale Ferienkurse für Neue Musik at Darmstadt |
1976 | Prix d’Italia della RAI |
1976-1978 | President of the Spanish section of the ISCM |
1979 | Artistic director of the Studio for electronic music at the Heinrich Strobel Foundation, Freiburg |
1980 | Member of the European Academy of Science, Arts and Humanities, Paris |
1981 | Halffter was awarded the Gold Medal for Fine Arts by King Juan Carlos of Spain |
1983 | Member of the Royal Academy of Fine Arts San Fernando, Madrid |
| 1985 | Doctor honoris causa of the University of Léon |
since 1989 | Principal Guest Conductor of the National Orchestra, Madrid |
1994 | Montaigne-Award of the Hamburger Stiftung F.V.S. |
1995 | European Prize for Composition in Karlsruhe |
| 1998 | Doctor honoris causa of the Universidad Complutense Madrid |
| 2000 | World Premiere of his opera Don Quijote at Teatro Real in Madrid |
| 4 Aug 2003 | World Premiere of Adagio en forma de rondo for orchestra, commissiones by the Vienna Philharmonics, under Semyon Bychkov at the Salzburg Festival |
| 30 Dec 2004 | World Premiere of Eritana for orchestera, from "Iberia" by Isaac Albéniz, Orquesta Sinfonica de Madrid, under Rafael Frühbeck de Burgos, Teatro Real Madrid/E |
| 5 Feb 2005 | World Premiere of Palimsesto for timpani and orchestra, Dresdner Philharmonie under Pedro Halffter, Alexander Peter, timpani, Kulturpalast Dresden/D |
| 4 May 2008 | World Premiere of the opera Lázaro in Kiel/D, commissioned by the Theatre of Kiel, Libretto by Marset Juan Carlos, under Georg Fritzsch, Philharmonic Orchestra Kiel |