1976	UNIX introduced in Japan; the Japan UNIX Society (JUS) formed by Jun Murai, Koichi Kishida, and Nobuo Saito
1976	The first Australian UNIX Systems User Group (AUUG) meeting held at the University of South Wales
March 4, 1977	Alistair Kilgour of the University of Glasgow suggests the formation of a UK UNIX Users Group (UKUUG) as a DECUS Special Interest Group
May 27, 1977	UNIX Colloquium in Glasgow attended by about 40 people
November 1978	UNIX User Group—The Netherlands (NLUUG) formed
1980	/usr/group founded as an association dedicated to the "promotion of the UNIX operating system"
January 1980	Software Tools User Group (STUG) formed at the USENIX Winter Technical Conference in Boulder, Colorado
April 1981	UNIX continues to spread across Europe; the European UNIX Systems User Group (EUUG, now called EurOpen) holds its first meeting
1983–1985	USENIX and /usr/group conferences are held jointly
1987–1992	USENIX and /usr/group conferences held in same areas but different locations with buses shuttling between
August 1989	/usr/group changes its name to UniForum
1998	EurOpen.SE in Sweden becomes the first USENIX Affiliate Member
November 1998	USENIX, NLUUG, and Stichting NLnet co-sponsor the first System Administration and Networking Conference (SANE), Maastricht
February 1999	USENIX and EurOpen.SE sponsor the first Nordic EurOpen/USENIX Conference, Stockholm
January 2002	NUUG joins USENIX as its second Affiliate Member