Despite what we believe nowadays, about Minimig being the first true available Amiga clone, there was a very old Amiga cloning development which actually materialized in a commercial and successfull way, the so called "DraCo" or sometimes "Dracovision", named after a later model.
It all happened around 1994,
Nice but Amiga 1000 compatible phoenix motherboard was shipping in late 1990... so beats it by at least 4 years.