site.btaToday's Observances: September 28

The world:

- World Rabies Day.

Bulgaria:

- International Right to Know Day.

On this date in Bulgarian history:

1960: Diplomatic relations established with Somalia.

1962: Diplomatic relations established with Sierra Leone.

1987: More than 300 people stage a rally in Ruse, unprecedented in the communist era. They protest against the authorities' indifference to the chlorine pollution of the city's air by the chemical works in Giurgiu, Romania.

1990: Sofia Airport joins the International Civil Airports Association.

1992: Bulgaria signs the 1990 Council of Europe Convention on Laundering, Search, Seizure and Confiscation of the Proceeds from Crime.

2012: Bulgaria establishes diplomatic relations with South Sudan.