• 1869: Upon the creation of 11
provinces and 86 Districts in Hokkaido, Abuta District is assigned to Iburi Province. • 1897: Placed under Muroran Subprefecture (renamed Iburi in 1922). • 1899: Kutchan transferred to Iwanai Subprefecture (became part of Shiribeshi in 1910). • 1910: Shiribeshi Subprefecture forms from the merger of Iwanai, Suttsu and Otaru Subprefectures. Part of Abuta District incorporated. • March 27, 2006: the towns of
Abuta and
Tōya, both of
Iburi Subprefecture, merged to form the new town of
Tōyako. • 2007" The
34th G8 summit was announced to take place in
Tōyako. ==References==