site.btaObservances: July 28

The world:

- National Day of Peru. Independence Day (1821);

- World Hepatitis Day.

On this date in Bulgarian history:

1330: Army of Bulgarian Tsar Michael Shishman is defeated by Serbs at Velbuzhd (today Kyustendil). Michael Shishman is killed.

1879: First issue of the Official Gazette comes out.

1913: Second Balkan War ends. Bulgaria, Serbia, Romania, Greece, and Montenegro sign the Peace Treaty of Bucharest. Serbia and Greece take most of Macedonia, and Romania takes Dobrudzha's southern part.

1968: Tenth World Festival of Youth and Students opens in Sofia with over 20,000 delegates and guests from 138 countries.

2000: Annual state award established after Paissii of Chilendar, is conferred to recognize works of art by Bulgarian authors related to Bulgaria's history and traditions.

2008: Bulgarian-French archaeological team discovers earliest traces of human presence in Europe, dating from over 1,400,000 years, in Kozarnika Cave near Oreshets village, Vidin region.