Aaron of Lincoln - financier  abacus - origins   - in architecture   - in the form of the exchequer   - development of (Ryerson University)   - system and illustration (Ryerson University)   - brief history (Wikipedia)  Abako - in Belgian Congo  Abba - brief account (Abbafiles)   - brief biography (All Music)  Abbas, al- - ancestor of the Abbasids  Abbas I - khedive of Egypt  Abbas I, shah of Persia   - and Hormuz   - brief biography (Leaders and Battles)  Abbas II - khedive of Egypt  Abbas, Ferhat - Algerian nationalist  Abbas, Mahmoud (Abu Mazen) - brief biography (Mid East Web)  Abbasid caliphate   - chronology of caliphs (History Files) V V  Abbe, Ernst - brief biography (University of St Andrews)  Abbeydale Industrial Hamlet - Sheffield   - the heritage site (SIMT)  Abbey Dore  Abbey National  Abbey Road (London)   - and EMI  Abbot Hall, Kendal - brief history (Abbot Hall Art Gallery)  Abbots Bromley Horn Dance  Abbotsbury  Abbotsford - and Walter Scott   - brief description   - views of the house (Melrose)  Abbotsford, British Columbia - brief history of city (Canadian Encyclopedia)  Abbotsholme - and Bedales  Abbot's Kitchen - Glastonbury  Abbott, Berenice - brief biography (Malaspina)  Abbott, John - brief biography (National Library of Canada)  Abbott and Costello - brief biography (Abbott & Costello)  Abd-al-Malik - and the dinar  Abd-al-Rahman I - Umayyad dynasty in Spain  Abd-al-Rahman III - caliph of Cordoba  Abd-el-Kader - amir of Mascara  Abd-el-Krim - and the uprising of 1921-6  abdication crisis (1936)   - Edward VIII's letter of abdication  Abdul-Aziz - sultan of Turkey  Abdul-Hamid II - sultan of Turkey   - brief biography (Leaders and Battles)  Abdullah, regent of Iraq - brief biography (Encyclopedia of the Orient)  Abdullah, King of Jordan - brief biography (Jewish Virtual Library)  Abdullahi ibn Mohammed - the Khalifa  Abdul Rahman, Tunku - career (Biography Resource Center)  Abdurrahman Khan, amir of Afghanistan   - brief account of reign (Library of Congress Country Studies)  Abe, Keiko - brief biography (Karadar)  Abe, Kobe - brief biography (Kirjasto)  Abel, Frederick - and James Dewar  Abel, Karl Friedrich - and J.C. Bach   - brief biography (Malaspina)  Abel, Niels - brief biography (University of St Andrews)  Abelard - and Heloïse   - and scholasticism   - brief biography (Notre Dame University)  Abele - sunk by baka attack  Abensberg - battle in 1809  Aber, Johann - brief biography (Karadar)  Abercrombie, John (Who Named It)  Aberdeen Angus (cattle)  Aberdeen (city)   - brief history (Spartacus) V V  Aberdeen, Lord - prime minister of Britain   - brief biography   - longer biography (Victorian Web)  Aberdeen, University of - brief history (University of Aberdeen)  Aberfan - disaster in 1966  Aberglasney - history of house and garden (Aberglasney Trust)  Aberhart, William - career (Canadian Encyclopedia)  Abernethy  Aberystwyth - and Owain Glyn Dwr   - brief history   - Ceramics Collection, University of Wales  Abessole, Paul M'ba - in Gabon  Abide with me  Abingdon - brief history of town  Abington, Frances - brief biography (Theatre History)  Abiola, Moshood - Nigerian election of 1993  Abkhazia - brief history (Caucasus Foundation)  abolitionist movement - and the slave trade  Aboriginal Australians - route of arrival   - and creation myths   - and the First Fleet   - and Europeans in Australia   - Dreamtime (Tiscali)  abortion - in ancient Greece   - and the Hippocratic Oath   - in Roman Empire   - in the Middle Ages  Aboukir - battle in 1799  Aboukir Bay - see Battle of the Nile  Abraham   - as a prophet in Islam   - and Mecca  Abraham, Plains of - in 1759  Abrahams, Harold  Abse, Danny - brief biography (British Council)  absolutism - and Richelieu   - and Versailles  Abstract expressionism - timeline of artists (Art Cyclopedia)   - brief history and examples (Guggenheim Museum)  Abu Ala - see Qurei, Ahmed  Abu Bakr - the first caliph   - brief biography (encyclopedia.com)  Abu Dhabi - brief history of city (Lonely Planet)  Abul Abbas - first Abbasid caliph  Abul Fazl - biographer of Akbar   - and oral history  Abul Kasim - Arab surgeon  Abu Simbel - rock-cut temple   - colossi of Ramses II  Abydos - brief history (Tour Egypt)  Academia Secretorum Naturae - in Naples  Académie Royale de Danse - in 1661  Académie Royale de Musique - in 1669  Académie des Sciences - and Colbert   - and the chronometer  academies - in Italy in the Renaissance  academies of art - and Poussin  academy - origin in Athens  Academy of Ancient Music   - brief history (All Music)  Academy of St Martin-in-the-Fields   - brief history (All Music)  Acadie (Acadia) - or Nova Scotia   - brief history (Canadian Encyclopedia)  Acapulco - battle in 1813   - brief history (Lonely Planet)  Accademia del Cimento - in Florence in 1657   - and the thermometer  Accademia dei Lincei - scientific academy   - brief account (University of St Andrews)  Accessory Transit Company - in Nicaragua  Acción Democrática - from 1941  Accius, Lucius - brief biography (Theatre History)  accountants - in early Mesopotamia  Accra - Danish fort of Christiansborg  Accrington Stanley  aces of World War I - dedicated site (The Aerodrome)  Achaemenid empire   - brief history (Livius)   - chronology of rulers, 675-330BC (History Files)  Acheampong, Ignatius - ruler of Ghana  Achebe, Chinua - brief biography (BBCi)   - brief biography (Kirjasto)  Acheson, Dean - brief biography (Spartacus) V V  Achilles - in the Iliad   - brief account (Who Named It)  acid bath murders  acidosis - and blood gas analysis  Ackermann, Rudolf - brief biography (Spartacus) V V  Ackermann aus Böhmen - first illustrated book  Ackroyd, Peter - brief biography (Literary Encyclopedia)   - profile (BBCi)  Ackté, Aino - biography and career (National Biography of Finland)  Acland, Richard - brief biography (Spartacus) V V  Acorn, Milton - career (Canadian Encyclopedia)  Acosta, Carlos - brief biography (Royal Opera House)  Acre - surrenders to Saladin   - surrenders to Richard I   - and Edward I   - taken by Muslims in 1291   - and Napoleon in 1799   - and Ibrahim Pasha in 1832   - and bombardment of 1840 (Royal Navy)  acrobatics - brief history (Hickok Sports)