Sapporo-shi(01201) shifts to a city designated by the Cabinet Order, and it becomes Sapporo-shi(01100).

札幌市(01201)の札幌市(01100)への政令指定都市施行

129

http://data.e-stat.go.jp/lod/terms/sacs#CodeChangeEvent

http://data.e-stat.go.jp/lod/sac/C01100-19720401

http://data.e-stat.go.jp/lod/sac/C01201-19700401

http://data.e-stat.go.jp/lod/sac/C01201-19720401

http://data.e-stat.go.jp/lod/sacr/shiftToDesignatedCity

1972-04-01 ^^http://www.w3.org/2001/XMLSchema#date