ten o'clock
They were signed by Joseph Calvin , Jr. , provost marshal , and they denied the right of assembly , except upon written order of the provost marshal , declared that incendiary speech would be stopped , forbade parades except under the provost marshal 's inspection , and said that offenders would be tried by court-martial for all disobediences to the orders of the proclamation . The proclamation was underscored in its requirements that no meeting of any kind might be held in the district or on any lot or in any building except upon written consent of the owner of the lot or building and with the permission of the provost marshal . Belgian Hall was a rented hall , and the Wahoo Fuel Company controlled most of the available town lots , leaving only the farms of the workers , that were planted thick with gardens , for even the most inoffensive meeting . And at ten o'clock Grant Adams had signed a counter proclamation declaring that the proclamation of martial law in a time of peace was an usurpation of the constitutional rights of American citizens , and that they must refuse to recognize any authority that abridged the right of free assemblage , a free press , free speech and a trial by jury . Amos Adams sent the workers an invitation to meet in the grove below his house . Grant called a meeting for half-past twelve at the Adams homestead . It was a direct challenge .