The Reformed College of Debrecen has been an educational institution in continuous operation since 1538, considered the cradle of Hungarian culture, and since 2013 a national monument and historical museum housing the exhibitions of Calvinist Rome, the Christian Republic, and Hungarian Geneva, which seek to explain why Debrecen is one of the most important pillars of the Hungarian Reformed Church, and permanent exhibitions present visitors with the history of the school, student life and the treasures of the Reformed Church, while a staircase decorated with frescoes leads to the Great Library, chosen as one of the most beautiful libraries in the world, and the room that housed Parliament in 1849, and on the wall of the building There are reliefs from János Nagy Sándor depicting the great revolutionaries Zwingli and Calvin, as well as the college's most famous students.