April 16 – Grant turns his attention again towards Vicksburg by sending gunboats and transports to the region. He will eventually capture the city in a couple months. The city was deemed impregnable by the citizens, hailing it as the “Gibraltar of the West”.
April 17 – Gierson’s 600 mile cavalry raid begins in Mississippi in an effort to divert attention away from Grant’s gunboats near Vicksburg. 1,700 Union cavalry wound wreak havoc in Mississippi in a two week period.
April 27 – Union General Joe Hooker launches his Chancellorsville Campaign in Northern Virginia in an attempt to get around Lee’s left flank.
See the complete Civil War Timeline here.