Complex sentence: In 1940, Nizami left the "Orient Press" to establish the "Nawa-i-Waqt", which he became newspapers' first editor-in-chief from Lahore on 23 March 1940.
Split into simpler sentences: In 1940, Nizami left the "Orient Press" to establish the "Nawa-i-Waqt" newspaper. He became the newspaper's first editor-in-chief from Lahore on 23 March 1940.