Complex sentence: On 15 January 2014, Dotcom announced the name of the party and its logo, and the next day he declared that the Party had lodged a logo application with the New Zealand Electoral Commission.
Split into simpler sentences: On 15 January 2014, Dotcom announced the name of the party and its logo. On 16 January, Dotcom declared that the Party had lodged a logo application with the New Zealand Electoral Commission.