# \#submunition

**URL:** https://scanalyst.fourmilab.ch/tag/submunition/4538.md

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## [German SD 2 “Butterfly Bomb”—the First Cluster Weapon](https://scanalyst.fourmilab.ch/t/german-sd-2-butterfly-bomb-the-first-cluster-weapon/3501)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 0\
**Last updated:** [24 July 2023 14:02 UTC](https://scanalyst.fourmilab.ch/t/german-sd-2-butterfly-bomb-the-first-cluster-weapon/3501 "2023-07-24T14:02:17Z")

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Here is more on the German SD 2 “Butterfly Bomb”, first dropped on Ipswich, England in 1940, and thereafter on both the eastern and western fronts. In the single month of August, 1943, a total of 520,000 w…