Zelaya, José. 1853-1919. Nicaraguan president 1894-1909. Attempted to unify Central America by force and revolution 1909.

Zhdanov, Andrei. 1896-1948. Russian Politburo member. Created Cominform. Restricted Soviet cultural activities.

Zoroaster. Zarathustra. c628-551BC. Persian religious reformer, founder of Zoroastrianism. World is an eternal struggle between forces of good and evil.

Zwingli, Huldrych. 1484-1531. Swiss humanist and religious reformer. Zurich Reformation 1522. Urged priests to marry. Attacked Roman mass and worship of images. Swiss Evangelical Church. Killed in Kappel Wars.

Chernobyl. 1986. Ukraine nuclear power plant disaster.

Dulles, John. 1888-1959. US Secretary of State 1953-. Promoted SEATO, nuclear buildup, Eisenhower Doctrine.

Fuchs, Klaus. 1911-88. German/British nuclear physicist. Communist spy 1943-50.

Harriman, W. Averell. 1891-1986. US negotiator of Nuclear Test Ban Treaty 1963.

Hydrogen Bomb. Thermonuclear or H-Bomb. 1952 US. 1953 USSR. 1957 Britain. 1968 France. 1971 China. 1974 India. ? Israel. Atomic Bomb.

Kennedy, John. 1917-63. US President 1961-. -“New Frontier”. Peace Corps. Apollo Program. Cuban Missile Crisis. Assassinated by Oswald. Nuclear Test-Ban Treaty.

Nuclear Nonproliferation Treaty. 1968. USSR, US, UK, +59 others. Effective 1970.

Nuclear Test Ban Treaty. 1963. US, UK, USSR, + 100 signatories. No atmospheric, underwater, or space tests. France, China decline, continue testing.

Rickover, Hyman. 1900-86. US Admiral. “Father of nuclear submarine”.

Sato Eisaku. 1901-75. Japanese Prime Minister 1964-72. Nuclear Non-Proliferation Treaty.

Ships. Iron- Foss 1777. Clipper 1832. Paddle- Charlotte Dundas 1801. Screw- Archimedes 1839. Nuclear- Nautilus 1955.

Test Ban Treaty. Nuclear Test Ban Treaty.

Three Mile Island. 1979. US nuclear power station accident.

Disarmament Conference. 1932-4. 60 Nations fail to agree due to Hitler’s rise in Germany.

Root, Elihu. 1845-1937. US internationalist statesman. Agreements with Japan, Britain, Latin America. Disarmament Conference.