. . . . . . . . . . . . . . . . . . "date of official opening"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "date of official opening"@en . . . . . . . . . . . . . . . . . . . . . "date or point in time a place, organization, or event officially opened"@en . . . . . . . . . . . . . . . . . . . . "date or point in time an event, museum, theater etc. officially opened"@en . . . . . . . "date of official opening"@en . . . . . . . . . . . . . . . . . . . . .