GALVESTON, Texas – Friday will be the 155th anniversary of Juneteenth. Two and half years after President Abraham Lincoln signed the Emancipation Proclamation freeing all people from slavery, the news finally reached Texas. Juneteenth commemorates the significant day. All around Galveston you can find historical markers that detail that important date in history. Jones said that historians know of three significant locations where the proclamation was read by Union General Gordon Granger.