After Athens became the capital of Greece in 1833, King Otto selected it as temporary residence, pending the construction of the Royal Palace (which houses Parliament currently).

In 1835, a large dance and banquet hall was added to the house, and after the 1843 Revolution, which forced King Otto to grant a constitution, the National Assembly convened here.

As such, it witnessed some of the most turbulent and important events in modern Greek history, including the assassination of Prime Minister Theodoros Deligiannis on the Parliament steps on 13 June 1905, and the declaration of the Republic on 25 March 1924.

The bronze statue of the commander in chief of the Revolution of 1821 is a work of sculptor Lazaros Sochos (1862-1911), and was originally placed (1904) at the beginning of Kolokotronis street.

The statue faces Stadiou Street; Kolokotronis turns his head towards the Parliament House and his hand is pointing the opposite way where, during the 19th century, the Royal Mews were located.