1965 – Born in Luxembourg on 22nd October
1973 – First music lessons (violin, piano). First attempts at composition
1975–1982 – Studies at the Luxembourg Conservatoire
1982–1986 – Studies at the Paris Conservatoire National Supérieur de Musique
1986–1990 – Studies at the Hannover Musikhochschule
1989 – Begins conceiving and working on his Caeli enarrant... cycle
1990 – Moves to Sydney, Australia, where he has been living sinc
1991 – First public performance – "Caeli enarrant…" 1 is played by the then RTL Symphony Orchestra at the Echternach International Music Festival. "Caeli enarrant…" 3 is highly commended at the 1st International Composers’ Competition in Vienna
1992 – Concert of the Lithuanian Composers’ Society, entirely devoted to Lentz’ works
1994 – Composition Prize of the IKB Bank in Luxembourg
1997 – Winner of the ‘Paul Lowin Prize for orchestral composition’, the most prestigious composition prize in Australia
1998 – Works taken on by Universal Edition in Vienna. First European performance of Caeli enarrant… III by the Ensemble Oriol at the Berlin Philharmonie
2000 – First performance of Ngangkar by the Sydney Symphony Orchestra conducted by Edo de Waart.
2001 – Performances by Deutsches Symphonieorchester Berlin, Tokyo Metropolitan Symphony Orchestra, BBC National Orchestra of Wales
2002 – Guyuhmgan tops the list of recommended works at the UNESCO International Rostrum of Composers in Paris.
2005 – World première of Monh by Tabea Zimmermann and the Orchestre National de Luxembourg, conducted by Steven Sloane – commissioned by the BBC, the Echternach International Music Festival and the Sydney Symphony Orchestra.
2007 – Ingwe, a 60 minute work for electric guitar, is premièred by Zane Banks.
2008 – The string orchestra version of Birrung is premièred by the Orchestre de Chambre du Festival d’Echternach;
Australian première of Monh
2009 Award for 'the Best Composition by an Australian Composer' for his orchestral work Monh by Australian Music Centre
World Première of the new version of Guyuhmgan (Orchestre Philharmonique du Luxembourg, c. Emmanuel Krivine) in Luxembourg
2013 – world première of String Quartet(s) at the Rainy Days 2013 Festival