User:Hawkeye7/War/Selected anniversaries/July 30

July 30

 * 1864 - American Civil War: Battle of the Crater - Union forces attempt to break Confederate lines by exploding a large bomb under their trenches.
 * 1945 - World War II: A Japanese submarine sinks the USS Indianapolis, killing 883 seamen in the worst single loss in the history of the United States Navy.
 * 1969 - Vietnam War: US President Richard M. Nixon makes an unscheduled visit to South Vietnam and meets with President Nguyễn Văn Thiệu and with US military commanders.
 * 1970 - Black Tot Day: last day of the officially sanctioned rum ration in the Royal Navy.