The organisation was set up as a similar organisation and inspired by All Under One Banner in Scotland.[2]
Marches
Their first ever march was held in Cardiff on 11 May 2019, with one marcher estimating over 2,000 participants.[3][4] Attendance grew in later marches in the same year with Caernarfon drawing over 5,000 people according to police, and over 8,000 people according to organisers.[5] Organisers estimated over 5,000 people attended a march in Merthyr Tydfil in September.[6]
Subsequent marches scheduled for 2020 had to be cancelled due to the COVID-19 pandemic.[7]
AUOB announced they would be organising two independence marches in 2022.[8] The first was held in Wrexham on 2 July drawing around 8,000 attendees according to organiser estimates.[9] Organisers estimated a march in Cardiff on 1 October drew the largest crowd with around 10,000 people.[10] A march in Swansea on 20 May 2023 was led by AUOB and Yes Cymru, attracting almost 7,000 people.[11]
Bangor will host the next independence march on 23 September 2023.[12]