site.btaToday's Observances: April 28
![Today's Observances: April 28](/upload/87410/0F7CFD44-D2A7-400F-8DC0-F77154A5255C.jpg?l=1000)
![Today's Observances: April 28](/upload/87410/0F7CFD44-D2A7-400F-8DC0-F77154A5255C.jpg?l=1000&original=)
On this date in Bulgarian history
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