site.btaToday's Observances: September 6

Bulgaria:

- Unification Day. Public holiday.

The world: 

- National Day of Swaziland: Independence Day (1968).

On this date in Bulgarian history:

1879: Diplomatic relations established with Serbia.

1883: Suspended Tarnovo Constitution is reinstated.

1885: Union of Principality of Bulgaria with Eastern Rumelia is proclaimed.

1916: Third Army under General Stefan Toshev's command captures Toutrakan Fortress during World War I in one of Bulgaria's greatest victories.

1974: New building of Sofia's Central Railway Station is inaugurated.