site.btaToday's Observances: September 23
- National Day of Saudi Arabia. Day of Unification of the Kingdom (1932).
On this date in Bulgarian history:
1915: Diplomatic relations with Italy are severed, to be reestablished September 14, 1920.
1923: September Uprising breaks out. Bulgarian Communist Party tries to bring government down.
1996: National Bank places nine banks with liquidity problems under special monitoring in last-ditch effort to restore financial stability after quick spending of monetary reserve.
1998: Parliament ratifies Council of Europe's European Outline Convention on Transfrontier Co-operation between Territorial Communities or Authorities, opened for signature in Madrid on May 21, 1980.