1973 in Bulgaria

Incumbents

• General Secretaries of the Bulgarian Communist Party: Todor Zhivkov
• Chairmen of the Council of Ministers: Stanko Todorov

  Events

• 3 March – Balkan Bulgarian Airlines Flight 307, a scheduled international passenger flight from Sofia to Moscow, crashed on its final approach to Moscow's Sheremetyevo Airport killing all 25 passengers and crew onboard.

  Sports