The first Birzai castle tiles according archaelogical researches in 1991
Birzai castle according italian bastionic-type plan was built in 1589. Majority of data about castle interior and exterior contains archaelogical researches. Doing archaelogical excavations in the Birzai castle territory was found hundreds of tiles decorated by various ornaments, glazed by different colours glazes (or not glazed). For this reason we can know how was decorated Birzai castle buildings tiled stoves in the end of seventeenth century.
Tiles collection of the Birzai first castle was formed in 1991 years when was conducted archaelogical researches led by Roma Songailaite. There was found tiles wchich contain information how was decorated tiled stoves. The most interesting are flat armorial tiles with initials of Christopher Radziwill the Thunderer. Also during excavations were found tile-cornets, cornice tiles with image of angels and other type of tiles decorated by vegetative and geometric ornaments.