Cika jumla mai zuwa:
bayan samun 'yancin kai a 1830, an tilasta wa Belgium ta kasance mai tsaka tsaki har abada ta hanyar yarjejeniyar 1839 a matsayin wani ɓangare na garantin' yancin kai. Kafin yakin, Belgium ta kasance masarautar tsarin mulki kuma an san ta da kasancewa ɗaya daga cikin ƙasashe masu masana'antu a duniya. A ranar 4 ga watan Agusta, 1914, sojojin Jamus sun mamaye Belgium kwanaki kadan bayan gabatar da wani karshe ga gwamnatin Belgium don ba da izinin izinin sojojin Jamus a fadin iyakokinta. Sojojin Jamus sun ci gaba da sauri zuwa Belgium, suna kewaye da kama garuruwan Liège, Namur da Antwerp da kuma tura sojojin Belgium 200,000, da goyan bayan abokansu na Faransa da Ingila, zuwa yamma. Yawancin 'yan gudun hijirar sun gudu zuwa kasashe makwabta. A watan Oktoba na 1914, sojojin Belgium a Yser da kuma sojojin Faransa da Birtaniya a Marne sun dakatar da ci gaban Jamus a kusa da iyakar Faransa. A sakamakon haka, layin gaba ya daidaita tare da mafi yawan Belgium da ke ƙarƙashin ikon Jamus. Ba tare da wani mummunan hari ba, yawancin Belgium sun kasance ƙarƙashin ikon Jamus har zuwa ƙarshen yaƙin.