Period of the First Premyslids - Preromanesque Castle (before 1012)
| Borivoj | ( -894) |
| approx. 885-890 | Built the first church, St.Marie, at the Castle. |
| Spytihnev | (894-905) |
| Allowed himself to be baptised in Regensburg; referred to in foreign (Anals of Fulda) as well as home anals. | |
| Vratislav I. | (905-921) |
| Founded the church of St.George at the Castle. | |
| Vaclav Sv. | (922-935) |
| approx. 926 | Founded the St.Vitus rotunda. |
| Boleslav I. | (935-967) |
| 950 | King Otto I. defeated Boleslav I. |
| 955 | The Czechs helped to defeat Hungarians in the battle on Lech. |
| Boleslav II. | (967-999) |
| 973 | Prague became the seat of the bishop. |
| 974 | The first monastery of Benedictines was founded at St. George. The abbasses became Mlada, sister of Prince Boleslav II. |
| 975 - 977 | Repeated military expeditions of the Emperor Otto II. into Bohemia. |
| 981 | Territory of Boleslav II. broadened up to the territory of the Prince of Kiew. |
| 995 | Exit of the bishop Vojtech (Adalbert) to Rome |
| 995, 25. 9. | End of the Slavnik dynasty at the Castle Libice. Prague Castle became the head of unified Bohemia. |
| Boleslav III. | (999-1002) |
| 1003 | (Boleslav of Poland called to reign in Bohemia.) Poland, Bohemia and Slovakia unified. |
| Jaromir | (1003-1012) |
| 1004 | Elected Prince Jaromir acknowledged by the Emperor Heinrich II. |