site.btaObservances: April 4

The world:

- National Day of Senegal: Independence Day (1960).

- International Day for Mine Awareness and Assistance in Mine Action (declared by UN General Assembly on December 8, 2005)

On this date in Bulgarian history:

1879: Imperial Russian Commissioner Alexander Dondukov appoints Ludovig Carbonneur first governor of Bulgarian National Bank (in office until July 1, 1879).

1904: Two earthquakes measuring 7.2 and 7.8 points on Richter Scale hit area between Kresna and Krupnik (now in Southwestern Bulgaria), killing more than 200 people.

1981: Todor Zhivkov is elected Secretary General of Bulgarian Communist Party Central Committee (until November 10, 1989).

1991: The Atlantic Club of Bulgaria is established as independent NGO. Solomon Passy is elected first President of the organization.

2001: Former King Simeon II arrives in Bulgaria from Zurich and announces that he will settle permanently here.

2004: Twelve children are killed as Bulgarian tourist bus carrying 43 people, including 34 pupils, falls into Lim River between Serbia and Montenegro.