Crossroads Square was placed at the crossing of the Royal Route and the Wolska Road (now Wyzwolenia Avenue and Nowowiejska Street respectively).

Following the retreat of Russian forces from Warsaw in 1915, the building remained mostly unoccupied and unused, and begun deteriorating, and was eventually torn down in 1923.

[4] [5] In the late 1930s, it was planned to place a large monument dedicated to Józef Piłsudski, former Chief of State of Poland.

[7] From 1939 to 1944, during the German occupation in the Second World War, the tenement building next to the park, at 11 Ujazdów Avenue, was the headquarters of the Criminal Police.

[8] Between 1971 and 1974, the People's Army Avenue, which was part of the Baths Route, an expressway connecting the city centre with the east side, was built.

[16] On 11 November 2018, at the square, near the Ujazdów Avenue, the monument to Ignacy Mościcki was unveiled, a politician and chairperson of the Polish Socialist Party, and the Prime Minister of the Provisional People's Government of the Republic of Poland in 1918.

[17][18] On 4 June 2023, the square was the starting point of the march of the anti-government protest against actions of the ruling Law and Justice Party.

[1] Below is the People's Army Avenue, which is a part of the Baths Route, an expressway that connects the city centre with the east side.

[17][14] It borders the Ujazdów Park, the Botanical Garden of the University of Warsaw, and Stefan Kisielewski "Kisiel" Square.