185th anniversary of the birth of Georgi S. Rakovski (1821-1867) – BG national revolutionary, writer, publicist, historiographer, ethnographer
150th anniversary of the birth of Kiril Botev (1856-1944) – Hristo Botev’s brother, BG Lieutenant-General, War Deputy Minister in 1913.
April 1 – 40th anniversary of the death of Dimiter Dimov (1909-1966) – an eminent BG writer, doctor by education
April 6 – 130th anniversary of the birth of Krustyu Sarafov (1876-1952) – BG drama actor
April 9 – 185th anniversary of the birth of Charles Baudelaire (1821-1867) – French poet, forerunner of the Symbolists
April 10 – 140th anniversary of the founding of the BG Community Center in Constaninople, 1866.
April 12 – 45th anniversary of the first flight of a spaceship around the Earth, 1961 - with Jury Gagarin on board.
April 14 – 100th anniversary of the death of Pierre Curie (1859-1906) – French physicist and chemist
April 20 – 160th anniversary of the first issue of the “Bulgarian Eagle” newspaper, 1846 – the first BG newspaper, edited by Ivan Bogorov
April 20 – 130th anniversary of the April Uprising, 1876.
April 23 – 390th anniversary of the death of Miguel de Cervantes (1547-1616) – Spanish writer, author of “Don Quixote”
April 23 – 390th anniversary of the death of William Shakespeare (1564-1616) – English poet and playwright
April 24 – 150th anniversary of the birth of Ivan Mrkvcka (1856-1938) – BG artist, Czech by origin
April 24 – 130tth anniversary of the birth of Sava Ognyanov (1876-1933) – BG drama actor
April 24 – 240tth anniversary of the birth of Louise de Stal (1766-1817) – French writer
April 27 – 140tth anniversary of the birth of Pencho Slaveykov (1866-1912) – BG poet and translator
April 29 – 125tth anniversary of the birth of Metodii Popov (1881-1954) – BG biologist, creator of the stimulation theory