May 28, 1931:
Peter Talbot Westergaard is born in Champaign, Illinois, USA, son of Harald Malcolm Westergaard, a professor of engineering, and Rachel Talbot.
September 11, 1955:
Peter Westergaard (24) marries Barbara Jay.
September 12, 1958:
Fünf Sätze for orchestra by Peter Westergaard (27) is performed for the first time, in Darmstadt.
March 21, 1966:
Mr and Mrs Discobbolos, a chamber opera by Peter Westergaard (34) after Lear, is performed for the first time, in New York.