17 november

a Marxist-Leninist terrorist organization in Greece that is violently opposed to imperialism and capitalism and NATO and the United States; an active terrorist group during the 1980s ;

18

the cardinal number that is the sum of seventeen and one ;

18-karat gold

an alloy that contains 75 per cent gold ;

1820s

the decade from 1820 to 1829 ;

1830s

the decade from 1830 to 1839 ;

1840s

the decade from 1840 to 1849 ;

1850s

the decade from 1850 to 1859 ;

1860s

the decade from 1860 to 1869 ;

1870s

the decade from 1870 to 1879 ;

1880s

the decade from 1880 to 1889 ;

1890s

the decade from 1890 to 1899 ;

19

the cardinal number that is the sum of eighteen and one ;

1900s

the decade from 1900 to 1909 ;

1920s

the decade from 1920 to 1929 ;

1930s

the decade from 1930 to 1939 ;

1940s

the decade from 1940 to 1949 ;

1950s

the decade from 1950 to 1959 ;

1960s

the decade from 1960 to 1969 ;

1970s

the decade from 1970 to 1979 ;

1980s

the decade from 1980 to 1989 ;

1990s

the decade from 1990 to 1999 ;

1 chronicles

the first of two Old Testament books telling the history of Judah and Israel until the return from the Babylonian Captivity in 536 BC ;

1 esdras

an Apocryphal book consisting of a compilation from I Chronicles and II Chronicles and Ezra and Nehemiah ;

1 kings

the first of two Old Testament books telling the histories of the kings of Judah and Israel ;

1 maccabees

an Apocryphal book describing the life of Judas Maccabaeus ;

1 samuel

the first of two books in the Old Testament that tell of Saul and David ;

1st-class mail

mail that includes letters and postcards and packages sealed against inspection ;

1st baron beaverbrook

British newspaper publisher and politician (born in Canada); confidant of Winston Churchill (1879-1964) ;

1st baron verulam

English statesman and philosopher; precursor of British empiricism; advocated inductive reasoning (1561-1626) ;

1st class

mail that includes letters and postcards and packages sealed against inspection ;

1st earl attlee

British statesman and leader of the Labour party who instituted the welfare state in England (1883-1967) ;

1st earl baldwin of bewdley

English statesman; member of the Conservative Party (1867-1947) ;

1st earl of balfour

English statesman; member of the Conservative Party (1848-1930) ;

1st viscount montgomery of alamein

English general during World War II; won victories over Rommel in North Africa and led British ground forces in the invasion of Normandy (1887-1976) ;

2

the cardinal number that is the sum of one and one or a numeral representing this number ;

2-hitter

a game in which a pitcher allows the opposing team only 2 hits ;

2-hydroxybenzoic acid

a white crystalline substance with a bitter aftertaste; used as a fungicide or in making aspirin or dyes or perfumes ;

2-methylpropenoic acid

an unsaturated acid (C4H6O2) used to make resins and plastics ;

20

the cardinal number that is the sum of nineteen and one ;

21

the cardinal number that is the sum of twenty and one ;