Unpacking Patricia Nixon's Inaugural Gown at LA Convention Center, by Tinsley, Jeffrey Wayne 1947-2017, 1996, Smithsonian Archives - History Div, The inaugural gown worn by Patricia Ryan Nixon in 1969 is being unpacked from its shipping crate at the Los Angeles Convention Center. The Convention Center was the first stop of the "America's Smithsonian" exhibition national tour celebrating the Smithsonian's 150th anniversary. The exhibition opened in Los Angeles on February 9, 1996..