site.btaToday's Observances: May 13
![Today's Observances: May 13](/upload/6320482/1+-+%D0%92%D0%9E%D0%94%D0%95%D0%A9%D0%90.jpg?l=1000)
![Today's Observances: May 13](/upload/6320482/1+-+%D0%92%D0%9E%D0%94%D0%95%D0%A9%D0%90.jpg?l=1000&original=)
The world:
1981: Assassination attempt on Pope John Paul II, who is shot in St. Peter's Square in Vatican City by Turkish national Ali Agca.
On this date in Bulgarian history:
1879: Postal service is established. First Bulgarian stamps, printed in Saint Petersburg, are put into circulation.
1888: Sofia Zoo is established.
1957: Polytechnical Museum is established with the Bulgarian Academy of Sciences.
1999: Hristo G. Danov National Award is instituted by Culture Ministry, National Book Centre and Plovdiv Municipality.
2007: Prime Minister Sergei Stanishev breaks ground for Vidin-Calafat bridge over the Danube.
/KK/
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