On 20 June 1991, Mitsuzuka became leader of the Abe faction in the LDP, inheriting it after Abe's death in 1991.
June 1991, Mitsuzuka became leader of the Abe faction in the LDP. This was on 20. June 1991, Mitsuzuka was inheriting it after Abe's death in 1991. This was on 20.