site.btaObservances: May 1

Bulgaria:

- International Workers' Day (May Day);

- Day of Bulgarians Fallen for Macedonia.

On this date in Bulgarian history:

1859: First Bulgarian secondary school abroad opens in Bolgrad, Bessarabia (in today's Ukraine).

1879: First medical treatment facility, Aleksandrovska Hospital, opens in Sofia.

1888: Sofia Zoo is founded by royal decree. Oldest and biggest zoo in the Balkans.

1973: First full colour TV programme is aired.

1982: Agricultural Academy is established.