Complex sentence: Josip Murn, also known under the pseudonym Aleksandrov (4 March 1879--18 June1901) was a Slovenian symbolist poet, regarded together with Ivan Cankar, Oton Župančič and Dragotin Kette, as one of the beginners of modernism in Slovenian literature.
Split into simpler sentences: Josip Murn, also known under the pseudonym Aleksandrov (4 March 1879--18 June1901) was a Slovenian symbolist poet. Together with Ivan Cankar, Oton Župančič and Dragotin Kette, he was regarded as one of the beginners of modernism in Slovenian literature.