image source: Sueño de Varsovia, 2021
Known events in series
1st Sueño de Varsovia Tango Marathon 2017
| 1st weekend / Sep 2017 | |
| 01. Sep - 03. Sep. 2017 | |
| Warsaw, PL | |
| 30. Mar. 2017 | |
| P:2017-04-02 / M:2018-02-16 |
2nd Sueño de Varsovia Tango Marathon 2018
| 1st weekend / Sep 2018 | |
| 31. Aug - 02. Sep. 2018 | |
| Warsaw, PL | |
| 30. Mar. 2018 | |
| P:2018-02-16 / M:2018-02-16 |
3rd Sueño de Varsovia Tango Marathon 2019
| 5th weekend / Aug 2019 | |
| 30. Aug - 02. Sep. 2019 | |
| Warsaw, PL | |
| 27. Mar. 2019 | |
| P:2019-02-11 / M:2019-02-11 |
4th Sueño de Varsovia Tango Marathon 2020
| 5th weekend / Aug 2020 | |
| 28. Aug - 30. Aug. 2020 | |
| Warsaw, PL | |
| 25. Mar. 2020 | |
| P:2020-02-15 / M:2020-02-15 |