Chelsea vs. Olympiacos: Titles Won by Decade
Who won the most tournaments in each decade, Olympiacos from Greece or Chelsea from England? 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 Olympiacos with 14 trophies obtained (2 times), surpassing by 4 titles the best decade of Chelsea, which includes a total of 10 (2 times).
If we focus on titles won internationally in their best decades, Chelsea won 5 titles between 2020 and the present, while Olympiacos didn't won any.
On the other hand, when considering only domestic tournaments (first division leagues, cups, super cups, etc.), the best decade of Olympiacos surpasses the best of Chelsea, 14 to 10.
Summary of Titles Won by Decade: | ||||||
| International Titles | Domestic Titles | Total | ||||
| Decade |  Chelsea  |  Olympiacos | Chelsea  | Olympiacos  | Chelsea | Olympiacos |
| 2020 to present | 5 | 1 | 0 | 6 | 5 | 7 |
| 2010 to 2019 | 3 | 0 | 7 | 10 | 10 | 10 |
| 2000 to 2009 | 0 | 0 | 10 | 14 | 10 | 14 |
| 1990 to 1999 | 2 | 0 | 3 | 7 | 5 | 7 |
| 1980 to 1989 | 0 | 0 | 1 | 8 | 1 | 8 |
| 1970 to 1979 | 1 | 0 | 1 | 6 | 2 | 6 |
| 1960 to 1969 | 0 | 0 | 1 | 7 | 1 | 7 |
| 1950 to 1959 | 0 | 0 | 2 | 14 | 2 | 14 |
| 1940 to 1949 | 0 | 0 | 0 | 3 | 0 | 3 |
| 1930 to 1939 | 0 | 0 | 0 | 6 | 0 | 6 |
| 1920 to 1929 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1910 to 1919 | 0 | - | 0 | - | 0 | - |
| 1900 to 1909 | 0 | - | 0 | - | 0 | - |
| Total: | 11 | 1 | 25 | 81 | 36 | 82 |
Details of Titles Won by Decade: | |
Titles between 2020 and the present: | |
Chelsea | Olympiacos |
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- |
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Titles between 2010 and 2019: | |
Chelsea | Olympiacos |
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- |
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Titles between 2000 and 2009: | |
Chelsea | Olympiacos |
- |
- |
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Titles between 1990 and 1999: | |
Chelsea | Olympiacos |
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- |
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Titles between 1980 and 1989: | |
Chelsea | Olympiacos |
- |
- |
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Titles between 1970 and 1979: | |
Chelsea | Olympiacos |
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- |
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Titles between 1960 and 1969: | |
Chelsea | Olympiacos |
- |
- |
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Titles between 1950 and 1959: | |
Chelsea | Olympiacos |
- |
- |
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Titles between 1940 and 1949: | |
Chelsea | Olympiacos |
- |
- |
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- |
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Titles between 1930 and 1939: | |
Chelsea | Olympiacos |
- |
- |
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- |
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Titles between 1920 and 1929: | |
Chelsea | Olympiacos |
| (no titles) | (no titles) |
Titles between 1910 and 1919: | |
Chelsea | Olympiacos |
| (no titles) | (the team did not exist during this decade) |
Titles between 1900 and 1909: | |
Chelsea | Olympiacos |
| (no titles) | (the team did not exist during this decade) |