Complex sentence: He responded with a legally registered and renamed "Port Phillip Patriot and Melbourne Advertiser" on 6 February 1839, which became the first newspaper to achieve daily publication in Melbourne on 15 May 1845.
Split into simpler sentences: He responded with a legally registered and renamed "Port Phillip Patriot and Melbourne Advertiser" on 6 February 1839. The newspaper became the first newspaper to achieve daily publication in Melbourne on 15 May 1845.