Abern, Martin
Abetz, Otto
Abrámov, Iakov Vassílievitch
Abramson, (Portnói, Kussiel)
Ação Integralista Brasileira
Acordo de Munique
Adamóvitch (Voróvski, Vatslav Vatslavovitch)
Addington, Stephen
Adler, Friedrich
Adler, Victor
Affre, Deniz-August
AFL (American Federation of Labor)
AFL-CIO (American Federation of Labor and Congress of Industrial Organizations)
Agahd, E.
Agesilau
Agis I
Agnosticismo
Aguinaldo, Emilio
Aikin, John
Ailly, Pierre d'
Akhmatova, Anna
Akímov (Makhnóvets, Vladímir Petróvitch)
Alencar, Bárbara de
Alexandre I (Aleksandr Pavlovitch)
Alexandre II
Alexandre III (Alexandre Alexandrovich Romanov)
Alexándrov
Alexéev, Mikhail Vassílievitch
Alexéiev, Piotr Alexéievitch
Aléxinski, Grigori Alexéievitch
Aliança Nacional Libertadora (ANL)
Allais, Louis Pierre Constant
Allende, Salvador
Allgemeine Augsburger Zeitung (Jornal Geral de Augsburg)
Almeida, José Américo de
Amazonas, João
Amter, Israel
Ana I
Anderson, Adam
Anderson, James
Angélica, Joana
Anglès, François Ernest
Aniello, Tomaso
Annenkov, Pável Vassílievitch
Anteu
Anti-Corn Law League (Liga contra as leis dos cereais)
Antonov-Ovseienko, Vladimir Alexandrovitch
Apelo de Estocolmo
Apiano
Aquiles
Araktchéiev, Alexéi Andréievitch
Arbuthnot, John
Argyll, Duques
Arismendi, Juan Bautista
Aristófanes
Armand, Inessa
Arnim-Suckow, Heinrich Alexander
Arroyo, Ângelo
Arruda, Diógenes
Associação Internacional de Sindicatos
Associação dos Operários Alemães de Bruxelas
Ataturk, Mustafa Kemal
Ato Adicional nº 9
Attlee, Clement
Audisio, Walter
Auer, Ignaz
Auerswald, Rudolf
Augier, Marie
Augusto, Imperador
Aurelle de Paladines, Louis-Jean-Baptiste d'
Auriol, Vincent
Auroques
Aurung-Zeb (Aurangzeb)
Aveling, Edward
Aveling, Eleanor
Avxéntiev, Nikolai Dmítrievitch
Axelrod,   Pavel  Boríssovitch