In the middle of the 16th century, both the monastery and church were rebuilt using bricks, and the convent was surrounded by a wall (part of the city's defense system).

The road leading to the Baltic harbour of Gdansk was controlled by the now gone "Gate of Dantzig" (north of the actual square).

In a nearby square, on 18 October 1910, The Archer ((in Polish) Łuczniczka) by Berliner Ferdinand Lepcke was unveiled It is considered one of the symbols of Bydgoszcz.

During interwar period, Theatre Square was one of the most important and most prominent in Bromberg, and was often displayed on postcards and in works of local artists.

[4] Once razed, this plot on the corner of Stary Port Street 1-3 welcomed the project of Joseph Święcicki in 1893 for Julius Rosenthal's heirs, a businessman.

The impressive and modern facade has survived till today, in spite of some minor changes: it is reminiscing of its original features.

This year, a new edifice has been built by Rudolf Kern following a design of architect Heinrich Gross: the client was Otto Pfefferkorn, owner of a successful furniture factory.

In 1940, arcades designed by Jan Kossowski have been added at ground level at the request of the Nazi authorities: the project comprised also the opposite building with the same features.

[11] 1901-1902, by Karl Bergner Vienna Secession, Eclecticism The house has been built between 1901 and 1902 for Max Zweininger, the owner of a famous hat manufactory in Bromberg,[12][13] living at Elisabethstraße 55, now 4 Śniadecki Street.

In 1940, a ground floor arcade has been added, designed by Jan Kossowski,[14] as he did at the same period on opposite building (Theatre square 6).

1825-1850[16] Neoclassical architecture The first owner of the house at Wilhelmstraße 16 was a famous printer, Albert Dittmann, local tycoon and successful entrepreneur in Bromberg.

[17] His printhouse covered the back yard of Focha 6 and extended through the block to today's building at 13 Dworcowa Street.

ca 1900[16] Vienna Secession & Eclecticism In 1880, Heinrich Castner, a restaurateur, opened a beer hall in this place.

Main elevation bears profound features of Eclecticism with bay windows, adorned dormers on the gable.

The facade has neo-renaissance features, with pediment bearing a bas-relief woman figure in a cartouche, hanged by vegetal garlands on the first floor.

The most striking element is the grand bay window parting the frontage and towering the entry gate: it has almost classical characteristics with fake columns, triangular pediment and four allegoric bas-reliefs.

1885,[16] by A. Berndt Neo-Renaissance Albert Pallatsch, a restaurateur in Rinkauerstraße and Bahnhoffstraße in the 1900s, opened there a café-restaurant named Pilsener Hütte(1908),[8] then Rheingold (1915).

1879[16] International Style In this house lived in 1882, Anton Hoffmann, a master mason and architect very active in downtown Bydgoszcz during the second half of the 19th century.

Recently renovated, the facade displays an elegant balance, topped by a roof with parapet: pedimented windows are separated by adorned pilasters, a scrollwork frieze crowns the elevation.

The tenement has been renovated in 2007 and converted in 2014 into a four-star hotel Mercure Sepia (90 rooms) with a panoramic roof terrace (85 seats), parking (it opened officially on January 16, 2015).

Władysław Piórek (1852-1926) was a physician, national and social activist in the city, he supported Polish cultural, educational and charitable institutions.