[1] Poznań was revealed to be one of the bidding cities for the 2018 Summer Youth Olympics when the IOC announced who the applicants were on March 2, 2012.

Poznań, in recent years, had been a host city of such sport events as the 2011 Men's Indoor Hockey World Cup.

[4] Buenos Aires was ultimately elected as the host city of the 2018 Summer Youth Olympic Games on July 4, 2013.

[5] Poznań bid to host the 2014 Summer Youth Olympics but lost to Nanjing by only five votes.

They bid to host the 2010 Summer Youth Olympics but failed to become a candidate.