April 16. Bloody Thursday in Lwów. A funeral of an unemployed worker Władysław Kozak, killed by the police two days before, turns into a violent riot, in which up to 49 people are killed,
April 19. Jan Kiliński Monument is unveiled in Warsaw,
May 12. At the Rasos Cemetery in Wilno, ashes and heart of , the mother of Józef Piłsudski, are buried. (Komitet Obrony Rzeczypospolitej) is founded in Warsaw,
May 15. General Felicjan Sławoj Składkowski becomes Prime Minister and Minister of Internal Affairs. He remains in these posts until September 1939,
June 1. Violent riots between Poles and Jews in Mińsk Mazowiecki. The riots start when a local Jew, Judka Lejba Chaskielewicz kills a police officer, Jan Bujak,
July 15. Prime Minister Sławoj Składkowski issues a decree stating that General Edward Rydz-Śmigły is the second most important person in the country. Boxer Tadeusz Walasek is born near Łomża,
August 5. In Berlin, in the Summer Olympics, Poland beats Hungary, 3-0 (two goals by Hubert Gad and one by Gerard Wodarz),
August 8. In Berlin, in the Summer Olympics, Poland beats Great Britain, 5-4 (three goals by Gerard Wodarz, one by Hubert Gad and one by Ryszard Piec),
August 11. In the Summer Olympics semifinal, Poland loses to Austria, 1-2 (goal by Hubert Gad),
August 13. In the Summer Olympics third place match, Poland loses to Norway, 2-3 (goals by Gerard Wodarz and Teodor Peterek),
September 6. Polish-French agreement in Rambouillet, where French government agrees for a loan for the Polish Army. In a friendly football game in Riga, Poland ties with Latvia, 3-3 (goals by Jerzy Wostal, Michał Matyas and Hieronim Schwartz). In a friendly football game in Belgrade, Poland loses to Jugoslavia, 3-9 (two goals by Teodor Peterek, one by Gerard Wodarz),
September 13. In a friendly football game in Warsaw, Poland ties with Germany, 1-1 (goal by Gerard Wodarz),
September 20. First Congress of Ukrainian Front of National Unity takes place in Lwów,