2 mar 1862 ano - Monitor fights Merrimac (Mar 1862)

Descrição:

Union ironclad Monitor (built in ~100 days) fought Merrimac 4 hours on Mar 9 1862 ; was threat to blockade; After battle, Confed destroyed Merrimack to keep it away from advancing Union; France + Brit had been developing iron ships for while, spelt doom for wooden ships

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