Events in Poland
January 20 - St. Zofia in Warsaw.
March 3 - Bishop of Kraków Adam Stefan Sapieha took an ingres to the Wawel Cathedral.
March 7 - the trial of the former Jasna Góra monk, Damazy Macocha, accused of murder and the repeated theft of votive offerings from the altar with a miraculous painting ended. The stepmother was sentenced to 12 years of hard labor.
March 11 - the power plant in Nowy Sącz was launched.
March 12 - a congress of the Polish Culture Society took place in Warsaw.
March 31 - the first match was played at the Cracovia stadium.
April 16 - a German secondary school for boys (currently Karol Miarka General Secondary School no. 1) was opened in Żory.
April 27 - premiere of the film Wojewoda.
May 4 - 24 people died in a train crash near the village of Marianka (Lubuskie Voivodeship) and 16 were injured.
May 11 - liquidation of the Warsaw Aviation Society "Awiata", operating at the Mokotów airport. The tsarist military authorities took over hangars, an aircraft factory and a pilot school.
May 20 - St. Alexander Nevsky in Warsaw.
May 22 - Bolesław Prus was buried in Powązki.
June 1 - French Hotel was opened in Krakow.
June 8 - The Siennicki Bridge in Gdańsk was opened.
June 9 - Zdzisław Latawiec (Pogoń Lwów) set 3 track and field records in Galicia in running competitions: 800 m - 2: 06.0 s; 1500 m - 4: 16.9 sec.; 3000 m - 9: 17.7 sec.
June 12 - qualifying for the Austrian national team at the Olympic Games in Stockholm: 2 Austrian records were set by Poles (110 m, Tadeusz Garczyński, 16.2 seconds; 400 m, Władysław Ponurski, 53.5 seconds).
June 15 - Warta Poznań, the oldest football club in Poznań, was established.
June 22 - Włodzimierz Lenin came to Krakow from Paris.
On July 6 - despite numerous protests by Poles, Nicholas II approved the exclusion of the Chełm region from the Kingdom of Poland, the Chełm province was established.
August 25 - The Polish Military Treasury was established in Zakopane.
October 7 - The Orphanage was opened by Janusz Korczak.
October 10 - Inowrocław: tram communication was launched.
October 13 - in Lviv, records of Galicia were set by:
Władysław Ponurski in the 200 m run with a result of 22.8 seconds.
Kazimierz Cybulski in a pole vault with a result of 3.21 m.
November 10 - the Provisional Committee of the Confederated Independence Parties was established in Galicia.
November 16 - the dam in Pilchowice on the Bóbr River was put into operation.
December 22 - the oldest in Upper Silesia Kino Roma (as Kino Lichtspielhaus) was opened in Zabrze.
In a specially erected building at ul. st. Gertrudy 5, the first modern cinema in Krakow, "Wanda", was opened.
The Czyżyny airport in Krakow was established on the current balloon take-off site.
Fr. Kazimierz Lutosławski designed the Scout's Cross.
Hm. Władysław Olędzki founded a scouting movement in Ursynów (the 1st Ursynów Scout Team named after J. U. Niemcewicz).
Biochemist Kazimierz Funk isolated the first vitamin - thiamine, and marked it with the symbol B because it treated the beriberi disease.
A running track at the ŁKS Łódź stadium (S. Falkowski, 100 m - 11.2 s) was put into operation.
In January, the first and in October the last issue of the monthly entitled "Przyrodniczy Pogłos na Świat i Życie" was published.
1 January - The Republic of China was proclaimed in Nanjing.
January 4 - The "Scouting Association" organization in the Commonwealth of Nations was officially registered (Royal Charter).
New Mexico joined the United States as the 47th state.
Alfred Wegener presented his theory on the migration of continents.
January 7 - Italo-Turkish War: victory of the Italian fleet in the Battle of Kunfuza Bay.
January 8 - the left-wing African National Congress party in the Republi was founded