Tag: Petr Semenov-Tian-Shansky
26 February in Indian and World History
26 February in Indian history is celebrated, observed, and remembered for various…
14 February in Indian and World History
14 February in Indian and World History is celebrated, observed, and remembered for…
14 January: Remembering Petr Semenov-Tian-Shansky on Birth Anniversary
Petr Semenov-Tian-Shansky (14 January 1827 – 26 February 1914) was a Russian…