Heisenberg, Werner. 1901-76. German quantum physicist: Uncertainty Principle 1927.

Helen of Troy. Greek wife of Menelaus. Eloped with Paris to Troy causing Trojan War.

Helgoland Bight, Battle. 1914. British defeat Germans in first WWI naval battle.

Helicon. Greek mountain dedicated to the Muses and Apollo.

Heliopolis. 1800. Egyptian battle. Kléber defeats Mameluks. Original site of Cleopatra’s Needles.

Hellen. Mythical ancestral king of Greeks.

Hellenic Art. 1500-300BC. Prehistoric, Archaic, and Classical periods in Greece.

Hellenistic Art. c330-50BC. Cosmopolitan culturally diverse period of Alexander’s empire. Sensual, emotional sculpture. Dying Gaul. Laocoön.

Helsinki Accords. 1975. Human rights, freedom, co-operation. Reduced East-West tensions.

Helsinki Group. 1976. Soviet dissidents who monitor human rights aspect of Helsinki Accord. Orlov. Shscharansky.

Helvetic Confessions. 1636,62. Swiss Reform church doctrines. 2nd widely adopted.

Helvétius, Claude-Adrien. 1715-71. French Materialist philosopher. All actions based on self-interest. De l’ésprit 1758.

Hemingway, Ernest. 1898-1961. US novelist: Fairwell to Arms 1929. For Whom the Bell Tolls 1940. Old Man and the Sea 1952. Style:“A stream with stones of nouns and a surface of prepositional ripples” -L. Morrow.

Hennepin, Louis. 1626-1701. Missionary explorer of Great Lakes. First European to Niagara Falls.

Henrican Articles. 1573. Limited authority of Polish kings.

Henry, Joseph. 1797-1878. US discoverer of electromagnetic induction. Electric motor, 1829.

Henry, O. 1862-1910. US short-story writer. Surprise endings and irony. Gift of the Magi. Porter.

Henry I. 1069-1135. King of England 1100-. Regained Normandy for England 1106. Defined yard 1101.

Henry I. c1008-60. French king 1031-.

Henry II. 1133-1189. Plantagenet king of England 1154-. Common Law system. Married Eleanor of Aquitaine. Angevin Empire. Becket. Rosamund.

Henry II. 1519-59. French king 1547-. Repressed Protestants. Captured Calais 1558. Treaties of Chambord, Cateau-Cambrésis.

Henry III. 1202-72. English king, 1216-. Provisions of Oxford 1258. Montfort.

Henry III. 1551-89. French king 1574-. Wars of Religion, Three Henrys. Assassinated.

Henry IV. 1050-1106. Holy Roman Emperor, 1056-. Civil War. Struggles with Gregory VII led to excommunication. Worms Synod. Clement III.

Henry IV. 1366-1413. Rebelled vs Richard II. King of England 1399-. Consolidated government. First Lancaster.

3357 more results ...