Charles IV (Karel IV.) 1316 – 1378, born Václav (Wenceslaus), the second King of Bohemia from the House of Luxembourg, and the first King of Bohemia to also become Holy Roman Emperor. probably ther most famous personality of the Czech state ever. He rebuilt the city of Prague as the capital of Central Europe and one of intellectual and cultural centers of Europe. In 1348, he founded the Charles University in Prague, which was named after him and was the first university in Central Europe.
Saint Agnes of Bohemia : The king's Přemysl Otakar I daughter, Princess Agnes (Saint Agnes of Bohemia) - deciding to devote her life to spiritual works - built the Monastery of the Holy Savior in 1230's and friary complex attached to the hospital. It was renamed later the Monastery of St. Agnes, where is after restoration in 1960's a branch of the National Gallery, featuring the medieval Central European and Czech collection of art. / History of Czechia
Svatopluk I of Moravia, also known as Svatopluk the Great, a ruler of Great Moravia, predecessor of the Czech state, which attained its maximum territorial expansion during his reign (870–894), occupying Bohemia and Moravia, area of current Slovakia and Hungary, and part of eastern Poland