"Now we will rest the men and use the spade for their protection until a new vein can be struck. As soon as [the] Cavalry is rested we must try & cut the Enemy's lines of communication."
- Telegram from Grant to Meade, June 18, 1864 at 10 P.M.

According to Grant's words, the Siege of Petersburg began on June 19, following the failure of the initial assaults on Petersburg. Grant wired this telegram to General Meade, explaining the change in strategy for the Union army.