January 4, 2026First days of the euro passing with no significant shocks – The Sofia Globe Bulgaria
January 3, 2026Bulgaria Embraces the Euro with Nearly One Million Card and ATM Transactions in Just 48 Hour – Novinite.com Bulgaria
January 3, 2026Dimitar Penev, coach who led Bulgaria to 1994 World Cup semifinals, dies at age 80 | Sports Bulgaria
