User:Y-dash

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ja-N この利用者は日本語母語としています。
en-1 This user has basic knowledge of English.
Wikipedia Administrator.svgThis user is an administrator on the Japanese Wikipedia (verify·CA).
Wikipedia Checkuser.svgThis user is a checkuser on the Japanese Wikipedia. (verify)
Oversight logo.pngThis user is an oversighter on the Japanese Wikipedia. (verify)
  • w:ja:User:Y-dash (home wiki)
  • sysop[1], checkuser[2] and oversighter[3] at Japanese Wikipedia[4]
  • IRC - Nickname:Y-dash, Cloak:wikimedia/Y-dash

May 2009
start activities in Wikimedia project
April 2010-July 2011
sysop at Japanese Wikipedia[5][6]
February 2011-July 2011
sysop at Japanese Wikisource[7][6]
July 2011-May 2014
wikibreak
September 2015-
sysop at Japanese Wikipedia[1][4]
November 2017-
checkuser at Japanese Wikipedia[2][4]
September 2019-
oversighter at Japanese Wikipedia[3][4]