Stanisław Leśniewski and Kazimierz Ajdukiewicz were inspired by Husserl's formal analysis of language.

* Stanisław Leśniewski

Stanisław Leśniewski was perhaps the first to make widespread use of this distinction or fallacy, seeing it all around in analytic philosophy of the time, for example in Russell's Principia Mathematica ; at the logical level, a use – mention mistake occurs when two heterogeneous levels of meaning or context are confused inadvertently.

In this period Lukasiewicz and Stanisław Leśniewski founded the Lwów – Warsaw school of logic which was later made internationally famous by Alfred Tarski who had been Leśniewski's student.

* 1920 – 1939 professor at Warsaw University founds with Stanisław Leśniewski the Lwów – Warsaw school of logic ( see also Alfred Tarski, Stefan Banach, Hugo Steinhaus, Zygmunt Janiszewski, Stefan Mazurkiewicz )

* Stanisław Leśniewski

By early September he had gathered a group of mathematicians from Warsaw University and Lwów University ( most notably, founders of the Polish School of Mathematics — Stanisław Leśniewski, Stefan Mazurkiewicz and Wacław Sierpiński ), who were also able to break Russian ciphers.

Stanisław Leśniewski coined " mereology " in 1927, from the Greek word μέρος ( méros, " part "), to refer to a formal theory of part-whole he devised in a series of highly technical papers published between 1916 and 1931, and translated in Leśniewski ( 1992 ).

* Stanisław Leśniewski

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* Kazimierz Twardowski ( Vienna, 1885 – 1889 ), became father of the Lwów-Warsaw School of logic ( Jan Lukasiewicz, Stanisław Leśniewski, Tadeusz Kotarbiński, Kazimierz Ajdukiewicz and Alfred Tarski )

During the Polish – Soviet War ( 1919 – 1921 ), some one hundred Russian ciphers were broken by a sizable cadre of Polish cryptologists who included Army Lt. Jan Kowalewski and three world-famous professors of mathematics — Stefan Mazurkiewicz, Wacław Sierpiński and Stanisław Leśniewski.

Among his students were the logicians Stanisław Leśniewski, Jan Łukasiewicz and Tadeusz Czeżowski, the historian of philosophy Władysław Tatarkiewicz, the phenomenologist and aesthetician Roman Ingarden, as well as philosophers close to the Vienna Circle such as Tadeusz Kotarbiński and Kazimierz Ajdukiewicz.

* Stanisław Leśniewski

* March 2 – Stanisław Taczak, Polish general ( b. 1874 )

* March 11 – Stanisław Koniecpolski, Polish soldier and statesman ( b. c. 1592 )

Stanisław Wojciechowski was born on 15 March 1869 in Kalisz, and died near Warsaw on 9 April 1953 at the age of 84.

In March 1919, Polish units opened an offensive: forces under General Stanisław Szeptycki captured the city of Slonim ( 2 March ) and crossed the Neman, whilst Lithuanian advances forced the Soviets out of Panevėžys.

A number of prominent leaders of the Underground State, including the Government Delegate, Jan Stanisław Jankowski and the last AK Commander-in-Chief, General Leopold Okulicki, who decided to reveal themselves and upon the Soviet invitation begun open negotiations with the communist authorities, were arrested and sentenced by the Soviets in Moscow in the infamous Trial of the Sixteen ( arrests were carried out in March 1945, and the trial itself took place in June that year ).

# Deputy Prime Minister of Poland and the Government Delegate-Jan Stanisław Jankowski-8 years in prison, never released, died in a Soviet prison on 13 March 1953, two weeks before the end of his sentence ; probably murdered.

Jan Zamoyski was born on 19 March 1542 to Stanisław Zamoyski and Anna Herburt in Skokówka.

Karol Stanisław Olszewski ( 29 January 1846 – 24 March 1915 ) was a Polish chemist, mathematician and physicist.

Stanisław Jerzy Lec ( 6 March 1909 – 7 May 1966 ) ( born Baron Stanisław Jerzy de Tusch-Letz ) was a poet and aphorist of Polish and Jewish noble origin.

Col. Kazimierz Stanisław Świtalski (; March 4, 1886, Sanok – December 28, 1962, Warsaw, Poland ) was a Polish officer, politician, and a Prime Minister of Poland.

* Stanisław Skrzeszewski ( 20 March 1951-27 April 1956 )

Stanisław Taczak ( b. 8 April 1874 in Mieszków ( now in Jarocin County ) – 2 March 1960 in Malbork, Poland ) was a Polish general.

In March 1979, Raczyński became President in exile, after being previously chosen by the outgoing President Stanisław Ostrowski.

After the death of Kleczkowski ( March 4, 1620 ) at the Battle of Krems, Stanisław Rusinowski became the new commander of the Lisowczycy.

In early March 1919, Polish units opened an offensive and forces under general Stanisław Szeptycki captured the cities of Słonim ( March 2 ) and crossed the Neman River.

The state Corps of Cadets was established in Warsaw on 15 March 1765 by King Stanisław August Poniatowski.

Anna was married to Prince Karol Stanisław Radziwiłł on March 6, 1691 ( Wilno ).

* January 30 – Battle of Ochmatów: Polish-Lithuanian Commonwealth forces under hetman Stanisław Koniecpolski secure a substantial victory over the horde of Crimean Tatars under Tugay Bey.

Following the monetary reform carried out by King Stanisław August Poniatowski, the złoty became Poland's official currency and the exchange rate of 1 złoty to 30 groszy was confirmed.

On June 30, 1734, a Russian army of 20, 000 under Peter Lacy, after proclaiming August III the Saxon at Warsaw, proceeded to besiege Stanisław at Danzig, where he was entrenched with his partisans ( including the Primate and the French and Swedish ministers ) to await the relief that had been promised by France.

Stanisław Saks ( December 30, 1897 – November 23, 1942 ) was a Polish mathematician and university tutor, known primarily for his membership in the Scottish Café circle, an extensive monograph on the theory of integrals, his works on measure theory and the Vitali – Hahn – Saks theorem.

Stanisław Saks was born December 30, 1897 in Kalisz, Congress Poland, to an assimilated Polish-Jewish family.

Commonwealth forces numbering about 6, 500 – 6, 800 men ( of which about 5, 500, or about 80 percent were the famous " winged " hussars ) under Hetman Stanisław Żółkiewski faced a numerically superior force of about 30, 000 Russians under Princes Dmitry Shuisky, Andrey Galitzine and Danilo Mezetsky, as well as about 5, 000 mercenary units temporarily allied to Russia, under the command of Jacob De la Gardie, composed of Flemish, French, German, Spanish, English and Scottish soldiers.

* Stanisław I Leszczyński ( 1677 – 1766 ), King of Poland 1704-1709, 1733-1736 ( Stanislas I ), then Duke of Lorraine until his death at Lunéville where he spent 30 years in exile.

Stanisław Poniatowski ( Chojnik September 15, 1676 – August 2 or 30, 1762 ) was a Polish – Lithuanian noble, diplomat and military commander.

For 30, 000 talars, the mission ransomed prisoners from battle of Cecora, including Stanisław Koniecpolski.

She married Albrycht Stanisław Radziwiłł on May 30, 1638 in Kraków.

Stanisław Nagy, SCI ( September 30, 1921 in Bieruń, Silesia, Poland, of a Hungarian father and Polish mother ) is a member of the Priests of the Sacred Heart of Jesus ( Dehonians ) and a Cardinal.

Stanisław Konarski ( actual name: Hieronim Konarski ; born September 30, 1700 in Żarczyce Duże, Świętokrzyskie Voivodeship – died August 3, 1773 in Warsaw, Poland ) was a Polish pedagogue, educational reformer, political writer, poet, dramatist, Piarist monk and precursor of the Enlightenment in the Polish – Lithuanian Commonwealth.

Stanisław Broniewski codename: Stefan Orsza, Witold, K. Krzemień ( December 29, 1915 in Warsaw – December 30, 2000 in Wesoła near Warsaw, Poland ) was a Polish economist, Naczelnik of the Scouting resistance and Second Lieutenant of the Armia Krajowa during the Second World War.

Stanisław Skalski's monument, Warsaw ( Poland ), 30 July 2006