-sources 000069352 1689 1881-1917 1890-1974 1914-1918 1915 1916 1917-1921 1933 1945 1949-present 1964-1991 1988-1993 1989 1990 1991 1stbattleof 20thcentury 20thcenturyamericanhistory 20thcenturybritishhistory 3rdbattleof accidents aerialoperations afghanipolitics afghanistan aftermath antiquities armedforces arras asia authoritarianism battleof battleofthe belgium bi biography blindautomobilemechanics britishhistory bullecourt butte cambrai campaigns china civilization civilrights coldwar collections communism communismbyregion communistparties communists copperminesandmining cultural dictators dictatorship diplomaticrelations disasterrelief dissent easterneurope easterneuropean economicas economicaspects economicaspectsofcommunism economicconditionsineurope economicpoliciesineurope emigration espionage etaples ethnic europe excavations(archaeology) explosiondehalifax explosions f fascists filmtheory fires fo forme formersoviet formersovietrepublics formersovietunion formersovietunion- france general generalasianpolitics germanhistory germany gove government halifax halifaxexplosion halifaxexplosion(novascotia:1917) hist history historyofcomm historyofcommunism ieper imo(steamer) imperialrussia imperialrussianhistory industrialrelations internationalrela internationalrelations islam japan japanesehistory journalism khrushchevera laborpolicies laborstudies lawenforcement macroeconomics marines marxism mesen messines mécaniciensd'automobilesaveugles military militaryconflicts militarypolicy minefires miscellaneous miscellaneousessays miscellaneoushistoriography miscellaneoushistory miscellaneousnews miscellaneouspublicpolicies miscellaneoussocialpolicies miscellaneoustypesofgovernment movements novascotia nuclearweapons nuclearweaponspolicy outsiderart passendale people'srepublic peoples personalobservations philosophyof places ploegsteertwood ploegsteertwood(belgium) poland politicalaspects politicalbiography politicalprotest politics politicsandgovernment popularcultureart post-communism power(socialsciences) present r racerelations radicalthought regionalbiography relations resolution royalnavy russia russian russianregionalhistory russianrevolution saintpetersburg social socialaspects socialism socialistparties socialscience socialsciences solidarity sources sovereignty sovietarmedforces sovietart soviethistory sovietmilitaryhistory sovietphilosophy sovietun sovietunion spies stalinistera statesmanship toplis totalitarianism ukraine un unitedstates unitedstatesstudies wars weapons workingclass worldeventsinart worldhistory worldpolitics worldwar worldwari ypres