The aim of this research is to focus on historical background of an urban structure. Certain places in cities are able collect the different layers of history. The different meanings and emotional attachments not just influence people's attitude towards the place but determine the history of the layout. As being landscape architect I'm interested in the history of layouts and it's affects on human perceptions. For this reason I have chosen a place where layers of history has made a strong mark: the former Stalin Square in Budapest. This square is particularly rich in inherent environmental-psychological changes. It is a sequence of antagonism which determined its past and heralded its future. There are only a few places in Budapest where the episodes of our history (as forms and patterns of human behavior) could be traced so bluntly and genuinely as on the former Pageantry Square. It is necessary to find those mental symptoms behind the Stage of History which determine the mood and face of the present. On the 23rd of October, 2006 we inaugurated a “new” old square of Budapest. The ex-”Pageantry Square” became “The Square of heroes of 1956”. This antagonistic identity change shows the stressful life of the place. 150 years ago it was a part of the capital’s biggest public park, which slowly became the territory of laborers weekend activities and demonstrations. In the 30’s a church was built here as the sign of the national conservative identity, which led to a antagonistic place identity. This intensified when the church was demolished and replaced by Stalin’s enormous statue, where pageantries where held during the communist dictatorship. In 1956 the people’s wrath cut down the huge statue. On this place is now the 50 year anniversary monument of the Revolution. All this emotional, psychological, and social process has become balanced now. In this poster-presentation the colorful history of the square (with plenty of documents) will be introduced with an environmental psychological approach, showing how the consecutive ideologies of the 20th century changed people’s attitudes to this artificial square of Budapest.