National Day of Tourism Sunday August 29 2010 (the date changes according to the year)
*Dedicated to the first organized and mass climbing of the "Cherni Vruh" peak in the Vitosha Mountain near Sofia.
The mass climbing has taken place on August 27, 1985 after the famous Bulgarian writer Aleko Konstantinov publishes his article and invitation under the title "To the Sofia Lovers of Bulgarian Nature."
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