The 1940 Mitropa Cup was the 14th edition of the Mitropa Cup and the last season played before the competition was interrupted by the Second World War.
 The competition would be resumed after the war under the name "Zentropa Cup" but by that time it was overshadowed by the newly formed European Cup which included teams from all parts of Europe.
 Last season's champions Újpest FC were eliminated at the quarter-final stage of the competition.
 This edition is notable for being the first edition in which a team from Romania reached the final.
 Rapid București of Romania beat Hungária FC MTK Budapest of Hungary in the quarterfinals and got past Građanski Zagreb of Yugoslavia in the semifinals to get to the finals in which they were to play Ferencvárosi FC.
 The final was cancelled due to the Second World War.
The 1937 season of the Mitropa Cup football club tournament was won by Ferencvárosi TC who defeated SS Lazio 9–6 on aggregate in the final.
 It was their second victory in the competition, having previously won it in 1928.
 The two legs of the final were played on 12 September and 24 October.
The Mitropa Futsal Cup is an annual futsal competition and considered one of the most important European futsal tournaments.
 It is a preparation tournament for the UEFA Futsal Cup and takes place every year at a different venue in Central Europe.
 The name derives from the famous Mitropa Cup football competition, which was played between 1927 and 1992.
 The Mitropa Futsal Cup has been played since 2009 and features the best teams as well as national futsal champions from Austria, Hungary, Slovenia, Slovakia, Croatia, Serbia, Germany, Poland and the Czech Republic.
The 1933 season of the Mitropa Cup football club tournament was won by FK Austria Wien who defeated AS Ambrosiana Inter 4-3 on aggregate in the final.
 It was the third time that a team from Vienna won the tournament, but the first of two wins for FK Austria Wien.
 The two legs were played on 3 September in San Siro stadium and 8 September in Prater Stadium.
The 1935 season of the Mitropa Cup football club tournament was won by Sparta Prague who defeated Ferencvárosi 4–2 on aggregate in the final.
 It was Sparta's second victory in the competition, having won the inaugural competition in 1927.
 The two legs of the final were played on 8 September and 15 September.
The Ernst Happel Stadion "(   )" (Praterstadion until 1992, sometimes also called Wiener Stadion) in Leopoldstadt, the 2nd district of Austria's capital Vienna, is the largest stadium in Austria.
 It was built between 1929 and 1931 for the second Workers' Olympiad to the design of German architect Otto Ernst Schweizer.
 The stadium was renamed in honour of Ernst Happel following his death in 1992.
 The stadium was host to seven games in UEFA Euro 2008, including the final which saw Spain triumph over Germany.
The 1936 season of the Mitropa Cup football club tournament was won by Austria Vienna who defeated the previous champions Sparta Prague 1–0 on aggregate in the final.
 It was Austria Vienna's second victory in the competition, having previously won the competition in 1933.
 The two legs of the final were played on 6 September and 13 September.
The 1934 season of the Mitropa Cup football club tournament was won by AGC Bologna who defeated SK Admira Vienna 7–4 on aggregate in the final.
 It was Bologna's second victory in the competition, having won it previously in 1932.
 The two legs of the final were played on 5 September and 9 September.
Vesna Rožič (23 March 1987 – 23 August 2013) was a Slovenian chess player.
 She was awarded the title of Woman International Master (WIM) by FIDE in April 2006.
 Rožič was ranked the second best Slovenian female chess player, after Anna Muzychuk.
 She won the Slovenian women's championship in 2007 and 2010.
 In 2007, Rožič also became the Mediterranean women's champion in Antalya.
 In team events, she represented Slovenia in four Women's Chess Olympiads (2002, 2008, 2010 and 2012), four Women's European Team Chess Championships (2005, 2007, 2009 and 2011), six Women's Mitropa Cups (2005, 2006, 2007, 2009, 2010 and 2012) and four European Girls U18 Team Championships (2001, 2002, 2003 and 2004).
 In the Women's Mitropa Cup, she won two team gold (in 2005 and 2006), four team silver (in 2007, 2009, 2010 and 2012) and two individual gold medals (in 2006 and 2012).
The Mitropa Cup, officially called the La Coupe de l'Europe Centrale or Central European Cup, was one of the first international major European football cups for club sides.
 After World War II in 1951 a replacement tournament named "Zentropa Cup" was held, but just for one season, the Mitropa Cup name was revived, and again in 1958 the name of tournament changed in "Danube Cup" but only for one season.
 The tournament declined and was discontinued after 1992.

Question: When was where the two legs of 1933 Mitropa Cup was played built ?
Answer: between 1929 and 1931