http://en.wikipedia.org/wiki/European_asso...ll_club_recordsLongest unbeaten run in domestic league
104 — Steaua București from August 17, 1986 to September 9, 1989
63 — FC Sheriff Tiraspol from April 1, 2006 to March 12, 2008
62 — Celtic from November 20, 1915 to April 21, 1917
61 — Levadia Tallinn from May 10, 2008 to November 7, 2009
60 — Union Saint-Gilloise from January 8, 1933 to February 10, 1935
59 — Pyunik from October 20, 2002 to November 11, 2004
58 — Olympiacos from October 8, 1972 to April 21, 1974
Milan from May 26, 1991 to March 21, 1993 Skonto Riga from October 17, 1993 to May 25, 1996
56 — Benfica from October 24, 1976 to September 1, 1978
55 — Shakhtar Donetsk from July 22, 2000 to August 3, 2002
Porto from February 28, 2010 to January 29, 2012
53 — Porto from October 22, 1994 to March 23, 1996
52 — Ajax from August 28, 1994 to January 14, 1996
51 — Barry Town from March 22, 1997 to September 7, 1998
Red Star from November 3, 1999 to March 31, 2001
49 — Malmö from May 6, 1949 to June 3, 1951
Levadia Maardu from July 6, 1999 to May 5, 2001
Arsenal from May 7, 2003 to October 24, 2004 48 — Beşiktaş from April 7, 1991 to December 6, 1992
Kareda Siauliai from August 23, 1997 to May 30, 1999
47 — Dinamo București from May 26, 1991 to September 26, 1992
Skonto Riga from June 1, 1996 to April 25, 1998
OFK Beograd from November 8, 1997 to August 7, 1999
Juventus from May 15, 2011 to present