Mary Allen
#19 American Kennel Club idazindikira Bulldog mu 1890.
M’zaka za m’ma 1940 ndi m’ma 1950, mtundu wa Bulldog unali pafupifupi pakati pa mitundu 19 yodziwika kwambiri. Masiku ano, Bulldog ili pa nambala 12 mwa mitundu 155 yamitundu ndi mitundu yolembetsedwa ndi AKC, zomwe zimalemekeza mbiri yawo yolimba ngati agalu anzawo.
Bulldog, kuposa china chilichonse, kupambana kwa kuthekera kwaumunthu kukonzanso mtundu wonse ndipo, kudzera muzochita zoweta moganizira komanso modzipereka, kusandutsa kukhala bwenzi lofunika, lachikondi.
M’zaka za m’ma 1980 mizinda ngati Roma inakhazikitsa malamulo onena kuti agalu amphongo sangayende m’makwalala, ngakhale pa chingwe, popeza anali olusa kwambiri, komabe mkati mwa zaka zingapo bulldog ankadziwika kuti ndi agalu ochezeka komanso amtendere kwambiri.
Zonse chifukwa obereketsa ochepa odzipereka anali ndi chipiriro, chidziwitso, ndi masomphenya kuti apange Bulldog kukhala yamtengo wapatali lero.