When it was dedicated in 1991, President George H.W. Bush & 4 former presidents were in attendance
Bush,... [DOC] [TLE] The Presidents and First Ladies attending the funeral of President ... [PAR] President George W. Bush and Laura 43rd President of the United States 50th .... 
Five US presidents & first ladies attend the funeral of Richard Nixon on 4/27/94 .... 
Richard Nixon were photographed together at the Reagan Library dedication.