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1951 - First atomic explosion witnessed by troops, New Mexico, USA.

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1951 - Jet magazine founded by John H Johnson.

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1952 - First hydrogen device exploded by US at Eniwetok Atoll in the Pacific.

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1955 - Time bomb aboard United DC-6 flight kills 44 above Longmont, Colorado.

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1965 - First concert at Fillmore Auditorium, San Francisco, California, USA.

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1972 - Standard Oil (New Jersey) changes its company name to Exxon.

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1979 - Tanker Burmah Agate off Galveston Bay, Texas, spills 10.7 million gallons of oil, in US's worst oil tanker spill disaster.

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1983 - IBM announces the IBM PCjr. It features an Intel 8088 CPU, 64 kB RAM, detached keyboard, cartridge slots, and joystick, for $670.

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1990 - Rhetoric escalates as US President George Bush likens Saddam Hussein to Adolf Hitler.

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1991 - Disney releases the film Fantasia on videocassette for US$24.99, and on laserdisc for US$40-100.

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