The day of Czech statehood

is a Czech national holiday, which falls on the 28th of September.

This date is also a holiday of St. Wenceslas, in Czech Svatý Václav, Prince of Přemysl dynasty, patron of Bohemia and Moravia and one of the traditional symbols of the Czech state. 
The feast falls on the day of his assassination in about 935 - or maybe year 929, as we learned at school - with the participation of Wenceslas's brother Boleslav.

Murder of St. Wenceslas

In 1929, the celebrations of the St. Wenceslas Millennium culminated on this day with the participation of President T. G. Masaryk, founder of our republic.
In September 935, a group of nobles allied with Wenceslaus's younger brother Boleslav plotted to kill him. After Boleslav invited Wenceslaus to a celebration of the feast of Saints Cosmas and Damian in Stará Boleslav,(a town not far from Praha) three of Boleslav's companions fell on the duke and stabbed him to death.

Wenceslaus was considered a martyr and saint immediately after his death,

when a cult of Wenceslaus grew up in Bohemia and in England.

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                                                                                          Margaret