Bulgaria 
Bulgarian mathematicianBirthdays by Profession
- Association football player (165)
- Politician (33)
- Writer (17)
- Athletics competitor (16)
- Basketball player (14)
- Amateur wrestler (14)
- Volleyball player (12)
- Association football manager (11)
- Singer (10)
- Rower (10)
- Chess player (10)
- Painter (10)
- Military officer (9)
- University teacher (9)
- Journalist (9)
- Composer (9)
- Tennis player (8)
- Weightlifter (8)
- Poet (7)
- Canoeist (7)
Birthdays by Region
- Sofia City Province (97)
- Plovdiv Province (40)
- Varna Province (25)
- Burgas Province (20)
- Stara Zagora Province (18)
- Blagoevgrad Province (17)
- Sliven Province (14)
- Pleven Province (11)
- Ruse Province (10)
- Sofia Province (10)
- Veliko Tarnovo Province (10)
- Pazardzhik Province (10)
- Lovech Province (9)
- Pernik Province (7)
- Montana Province (5)
- Smolyan Province (5)
- Shumen Province (5)
- Dobrich Province (4)
- Kyustendil Province (3)
- Vratsa Province (3)
