• Founded in 681, Bulgaria is Europe's oldest state with internationally recognized independence (635 AD).[citation needed]
  • The country produces half of the rose oil in the world.
  • In many agricultural productions per capita, the country is among the top 10 in the world (tomatoes, peppers, tobacco, sunflower seed, lavender, strawberries and others)
  • The first air-dropped bomb in military history was developed by the Bulgarian Air Force during the First Balkan War and used on 16 October 1912 by Lieuts. Radul Milkov and Prodan Tarakchiev. Rayna Kasabova was the first woman ever to take part in a combat air mission, accomplished on 30 October 1912.
  • A developer of the combined oral contraceptive pill, Carl Djerassi is of Bulgarian descent.
  • Bulgarian Beach on Livingston Island in the South Shetland Islands, Antarctica is named for Bulgaria.
  • World's first digital wristwatch was developed by the Bulgarian Peter Petroff.
  • Bulgaria is the birthplace of the Cyrillic alphabet.
  • In the modern history Bulgaria never lost a flag, captured by an enemy army.
  • Xenophon wrote that "it was known that a group of Bulgars invented the wheel in the greats Steppe".