• The first New Bulgarian secular school - 1835
• The first school library - 1840
• The first application of the sound methodology for articulation of letters - 1868
• The first school laboratory in Physics - 1872
• The first factory for production of ‘Elovitsa’ cartridges
• The first tennis court and ice rink- 1922 in the park of Ivan Hadzhiberov, now workshop 1 of ‘Fintex’ company
• The first factory to produce and deliver fabrics to the Royal Court – Ivan Kalpazanov’s factory- 1882
• The first performance of the present national anthem ‘Dear Motherhood’ in Aprilov High School
• The first factory, along with all the other 11 factories, for production of soap up to 1936
• The first factory for coke production and by-products
• The first factory for shoe-lasts - 1918
• The first ‘Red Cross’ society- founded on November 1st 1883
• The first modern concert hall- opened on October 21st 1962
• The first experimental agricultural station
• The first weather service- January 1st 1887
• The first Bulgarian Prime Minister – Todor Burmov, 1879
• The first woman pilot in Bulgaria – Teofana Kril, 1946
• The first mathematician, physicist and philosopher in Bulgaria – Ivan Gyuzelev/1844 – 1916/
• The creator of the first Bulgarian opera ‘Siromahkinya’(poor woman), 1900 – Emanuil Manolov
• The first artist in Bulgaria – Hristo Tsokev
• One of the first lady doctors in Bulgaria – Dr. Teodora /Tota/ Venkova (1855 – 1921)