Kammala wannan jumla: An soke cin abincin dare na shekara-shekara ko ragewa saboda mutuwar ko rikicin siyasa. An soke abincin dare a 1930 saboda mutuwar tsohon shugaban William Howard Taft; a 1942, bayan shigar Amurka cikin Yaƙin Duniya na II; kuma a 1951, saboda abin da Shugaba Harry S. Truman ya kira "rashin tabbas na yanayin duniya". A shekarar 1981, Ronald Reagan bai halarci ba saboda yana murmurewa bayan da
yunkurin kisan kai a watan da ya gabata, amma ya kira ya ba da wata barkwanci game da harbin.