Celtic vs. Olympiacos: Titles Won by Decade

Who won the most tournaments in each decade, Olympiacos from Greece or Celtic from Scotland? Here you'll find a decade-by-decade summary of the number of international and domestic trophies won by each of these teams in each 10-year period throughout their history.

Going through the history of these teams, decade by decade, we can find that the best period in terms of total titles won is owned by Celtic with 17 trophies obtained between 2010 and 2019, surpassing by 3 titles the best decade of Olympiacos, which includes a total of 14 (2 times).

If we focus on titles won at international level, Celtic and Olympiacos are tied for the best decade with a total of 1 title won each.

On the other hand, when considering only domestic tournaments (first division leagues, cups, super cups, etc.), the best decade of Celtic surpasses the best of Olympiacos, 17 to 14.

Summary of Titles Won by Decade:
	International Titles		Domestic Titles		Total
Decade	Celtic	Olympiacos	Celtic	Olympiacos	Celtic	Olympiacos
2020 to present	0	1	12	6	12	7
2010 to 2019	0	0	17	10	17	10
2000 to 2009	0	0	14	14	14	14
1990 to 1999	0	0	3	7	3	7
1980 to 1989	0	0	9	8	9	8
1970 to 1979	0	0	14	6	14	6
1960 to 1969	1	0	11	7	12	7
1950 to 1959	0	0	5	14	5	14
1940 to 1949	0	0	0	3	0	3
1930 to 1939	0	0	5	6	5	6
1920 to 1929	0	0	5	0	5	0
1910 to 1919	0	-	9	-	9	-
1900 to 1909	0	-	9	-	9	-
1890 to 1899	0	-	6	-	6	-
1880 to 1889	0	-	0	-	0	-
Total:	1	1	119	81	120	82

Details of Titles Won by Decade:
Titles between 2020 and the present:
Celtic	Olympiacos
International: 0 -	International: 1 UEFA Conference League: 2023-24
Domestic: 12 Scottish League: 2019-20, 2021-22, 2022-23, 2023-24, 2024-25 Scottish Cup: 2019-20, 2022-23, 2023-24 Scottish League Cup: 2019-20, 2021-22, 2022-23, 2024-25	Domestic: 6 Greek League: 2019-20, 2020-21, 2021-22, 2024-25 Greek Cup: 2019-20, 2024-25

Titles between 2010 and 2019:

Celtic

Olympiacos

Star International: 0

Scotland Flag Domestic: 17

Scottish League:
2011-12, 2012-13, 2013-14, 2014-15, 2015-16, 2016-17, 2017-18, 2018-19
Scottish Cup:
2010-11, 2012-13, 2016-17, 2017-18, 2018-19
Scottish League Cup:
2014-15, 2016-17, 2017-18, 2018-19

Greece Flag Domestic: 10

Greek League:
2010-11, 2011-12, 2012-13, 2013-14, 2014-15, 2015-16, 2016-17
Greek Cup:
2011-12, 2012-13, 2014-15

Titles between 2000 and 2009:

Celtic

Olympiacos

Star International: 0

Scotland Flag Domestic: 14

Scottish League:
2000-01, 2001-02, 2003-04, 2005-06, 2006-07, 2007-08
Scottish Cup:
2000-01, 2003-04, 2004-05, 2006-07
Scottish League Cup:
1999-00, 2000-01, 2005-06, 2008-09

Greece Flag Domestic: 14

Greek League:
1999-00, 2000-01, 2001-02, 2002-03, 2004-05, 2005-06, 2006-07, 2007-08, 2008-09
Greek Cup:
2004-05, 2005-06, 2007-08, 2008-09
Greek Super Cup:
2007