site.btaObservances: October 22

On this date in Bulgarian history:

1879: First Provincial Assembly of Eastern Rumelia opens in Plovdiv (sits until December 22, 1884).

1928: Sofia Municipal Museum with library and archives is established (now succeeded by Sofia History Museum, Central Library of Sofia and Sofia Art Gallery).

1944: Yerevan Cultural and Educational Organization of Armenians in Bulgaria opens its constituent congress.

1998: At 12th Foreign Ministers Meeting of Organization of the Black Sea Economic Cooperation in Sofia, participants sign Agreement on the Privileges and Immunities of the Black Sea Trade and Development Bank.

2008: Researchers of Solar-Earth Influence Laboratory with Bulgarian Academy of Sciences build 256 channel absorbed space radiation spectrometer (RADOM) for Indian spacecraft Chandrayaan-1.

2008: First Bulgarian chapter of EU Women's Association is set up at Bulgarian Embassy in Brussels.

The world:

- International Stuttering Awareness Day.