Giuseppe Arcimboldo (1526-1593)

Jan Amos Komenský/Comenius (1592-1670)

Jan Hus (d. 1415)

Rudolf II, Habsburg (1552-1612)

Sigismund I, Jagiellon (r. 1506–1548)

Sigismund II, Jagiellon (r. 1548–1572)

Vladimir I, the Great (r. 980-1015)

See Tomasz Kamusella, Words in Space and Time: A Historical Atlas of Language Politics in Modern Central Europe (CEU Press, 2021)