Complex sentence: From 21 February 1917, "Bodrog" and "Körös" were deployed as guardships at Brăila, then on 1 March "Bodrog" became stuck in ice at nearby Măcin.
Split into simpler sentences: From 21 February 1917, "Bodrog" and "Körös" were deployed as guardships at Brăila. On 1 March, "Bodrog" became stuck in ice at nearby Măcin.