About Румена Калчева

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So far Румена Калчева has created 362 blog entries.

International Scientific Conference “The Balkans in International Relations: From Late Antiquity to the Age of Globalization”

International online scientific conference “X Drinov Readings” on “The Balkans in International Relations: From Late Antiquity to the Age of Globalization” will be held on 30 and 31 March 2021. The organizer of this forum is the “Marin Drinov” Center for Bulgarian and Balkan Studies at the faculty of history of Kharkiv National University “V. N. Karazin” while the Institute of Balkan Studies with Center of Thracology and the Institute for Historical Studies of the Bulgarian Academy of Sciences are co-organizers. […]

2021-03-29T09:52:57+03:00Wednesday, 24 March 2021|Categories: Cultural-historical Heritage and National Identity|

World Water Day and World Meteorological Day

“The ocean, our climate and weather” is the theme of this year’s World Meteorological Day. On this day, we celebrate the important role of science in the study of weather, climatic fluctuations and change. Research, both theoretical through the creation of models and technological through the creation and improvement of methods, instruments and programs for monitoring and processing information, defines the unifying theme of this day in 2021: “The ocean, our climate and weather.”.  […]

2021-03-22T09:45:49+02:00Sunday, 21 March 2021|Categories: Climate Change, Hazards and Natural Resources|

The first “Fish Primer” is shown by the Central Library of BAS

21 March marks the 150th anniversary of the death of Dr. Petar Beron Three of the Revival editions of the "Fish Primer" by Dr. Petar Beron are stored in the Central Library of BAS (CL-BAS). The valuable books can be viewed online in the electronic catalogue and the digital library CL-BAS. March 21st marks the 150th anniversary of the death of the Bulgarian Revival teacher, doctor, scientist and benefactor. He wrote his famous "Fish Primer" when he was only 24 years old, introducing a new and revolutionary for the time being method of teaching. A copy of the first "Primer with various instructions" published in 1824 and known as the "Fish Primer" because of the drawing of a whale in it can be viewed here: [...]

2021-03-17T09:42:08+02:00Tuesday, 16 March 2021|Categories: Cultural-historical Heritage and National Identity|

125 years since the birth of the composer Academician Petko Staynov

A hundred and twenty-five years since the birth of Acad. Petko Staynov will be celebrated in 2021. An initiative committee chaired by Prof. Julian Revalski, Full Member of BAS, has adopted a programme to celebrate the anniversary of the great Bulgarian composer. The blind master of tonal art is recognized as one of the most prominent classics of Bulgarian musical culture. His exceptional role in its development is determined primarily by his original work. The celebration of the 125th anniversary of the birth of Acad. Staynov is a joint initiative of the Bulgarian Academy of Sciences and the “Petko Gruev Staynov” Foundation. Among the members of the initiative committee are the chairman of the Union of Bulgarian Composers, the chairman of the Union of the [...]

2021-03-17T09:35:39+02:00Monday, 15 March 2021|Categories: Cultural-historical Heritage and National Identity|

National Astronomical Observatory – Rozhen turns 40 years old

Forty years since the official opening of the National Astronomical Observatory – Rozhen (NAO Rozhen) will be celebrated on 13 March 2021. In its first years, NAO Rozhen is a scientific astronomical complex of three telescopes: a universal 2-meter telescope for photometric and spectral observations and two smaller telescopes: 50/70-cm Schmidt and 60-cm Cassegrain. The first observations were made on photographic plates, and a high-speed electrophotometer was mounted on the Cassegrain telescope. In the first twenty years of the observatory’s work, more than 10 000 photographs of objects from the solar system, stars and star clusters, distant galaxies and quasars, and thousands spectra of interesting stellar objects were obtained. […]

2021-03-12T10:56:16+02:00Wednesday, 10 March 2021|Categories: Astronomy, Space Research and Technologies|
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