Japanese Fire Balloons Attack North America
What happened
From 1944 to 1945, Japan launched approximately 9,000 paper balloons carrying incendiary devices across the Pacific using jet stream winds, with some reaching North America and causing casualties. These 'Fu-Go' weapons represented the first intercontinental weapons delivery system and demonstrated creative if ultimately ineffective use of atmospheric knowledge for military purposes.
Literary impact
Japanese fire balloons inspired American and Japanese poetry exploring themes of distant warfare, unintended consequences, and the irony of ancient technology achieving intercontinental range. The image of fragile paper balloons carrying death across oceans influenced literary treatments of war's absurdity and the unexpected paths of violence, appearing in verses that contemplated the strange journey from launch to landing.
Source: Wikipedia