Complex sentence: On 31 December, OneBadBrad announced that he had left Curse Academy, and on 6 January 2014, Tsatsulow was replaced by Nicolas "Gleebglarbu" Haddad, and Patrick "Titours" Lefort also joined.
Split into simpler sentences: On 31 December, OneBadBrad announced that he had left Curse Academy. On 6 January 2014, Tsatsulow was replaced by Nicolas "Gleebglarbu" Haddad, and Patrick "Titours" Lefort also joined.