23 March – Representing Luxembourg, Nana Mouskouri finishes eighth in the Eurovision Song Contest 1963 with the song À force de prier.
29 April – Grand Duchess Charlotte pays a state visit to the United States until 4 May.
9 October – Jeunesse Esch beat FC Haka 4-0 to become the only Luxembourgian side to progress to the last sixteen of the European Cup.
30 October – The national football team shocks the Netherlands by winning 2-1 in the second qualifying round for the 1964 European Nations' Cup, progressing 3-2 on aggregate.
4 November – President Lyndon B. Johnson visits Luxembourg.
18 December – Luxembourg is knocked out at the final stage of qualifying for the 1964 European Nations' Cup, losing a play-off against Denmark 1-0, having drawn 5-5 with the Danes on aggregate.
12 March – Marc Angel, politician
10 April – Marc Spautz, trade unionist and politician
1 May – Prince Guillaume of Luxembourg
1 May – Vera Spautz, politician
4 July – Ni Xia Lian, table tennis player
18 July – Marc Girardelli, skier
16 September – Luc Frieden, politician
29 March - Michel Stoffel, painter
26 August – Pierre Clemens, cyclist
1963 in Luxembourg Wikipedia (Text) CC BY-SA
