Assertion: memorial | /r/HasProperty | opened by queen sonja of norway
Facets:
value: on 23 june
type: TEMPORAL
Source sentences:
text: A collaboration between French-American artist Louise Bourgeois and previous winner of the Pritzker Prize, Swiss architect Peter Zumthor, design commenced in 2006, and the monument was opened by Queen Sonja of Norway on 23 June 2011.