site.btaToday's Observances: May 31

The world:

- World No Tobacco Day.

On this date in Bulgarian history:

1902: Russo-Bulgarian Military Convention signed in St. Petersburg to provide mutual military aid in case Bulgaria or Russia is attacked by Austria-Hungary, Romania or Triple Alliance member. Convention is never put to practice and becomes obsolete in 1903.

1989: First private theatre in Bulgaria is set up, Dialogue Theatre.

2004: Kozloduy N-plant EAD company concludes contract with Germany's RWE NUKEM GmbH for construction of new storage facility for used nuclear fuel at Kozloduy N-plant's site.

2006: First public register of Bulgarian companies is presented before journalists at Bulgarian Chamber of Commerce and Industry.