▁April ▁ 1 6 ▁ ▁Texas ▁City ▁dis aster : ▁The ▁am mon ium ▁nit rate ▁cargo ▁of ▁French - register ed ▁Liber ty ▁ship ▁ ▁expl odes ▁in ▁Texas ▁City , ▁Texas , ▁killing ▁at ▁least ▁ 5 8 1 , ▁including ▁all ▁but ▁one ▁member ▁of ▁the ▁city ▁fire ▁department , ▁inj uring ▁at ▁least ▁ 5 , 0 0 0 ▁and ▁destroy ing ▁ 2 0 ▁city ▁blocks . ▁Of ▁the ▁dead , ▁remains ▁of ▁ 1 1 3 ▁are ▁never ▁found , ▁and ▁ 6 2 ▁are ▁un ident ifiable . ▁ ▁American ▁financi er ▁and ▁president ial ▁advis er ▁Bernard ▁Bar uch ▁describes ▁the ▁post – World ▁War ▁II ▁t ensions ▁between ▁the ▁Soviet ▁Union ▁and ▁the ▁United ▁States ▁as ▁a ▁" C old ▁War ". ▁ ▁April ▁ 1 8 ▁ ▁The ▁British ▁Royal ▁Navy ▁det on ates ▁ 6 , 8 0 0 ▁tons ▁of ▁explos ives , ▁in ▁an ▁attempt ▁to ▁demol ish ▁the ▁fort ified ▁island ▁of ▁Hel ig ol and , ▁Germany , ▁thus ▁creating ▁one ▁of ▁the ▁largest ▁man - made ▁non - n uc lear ▁explos ions ▁in ▁history . ▁ ▁Mrs . ▁P les ▁is ▁discovered ▁in ▁the ▁Ster k f onte in ▁area ▁in ▁Trans va al , ▁South ▁Africa . ▁ ▁April ▁ 2 0 ▁– ▁King ▁Freder ik ▁IX ▁of ▁Den mark ▁succeed s ▁his ▁father ▁King ▁Christian ▁X , ▁on ▁the ▁throne ▁of ▁Kingdom ▁of ▁Den mark . ▁ ▁April ▁ 2 6 ▁– ▁Academy -