For a side routinely patronised as dangerous mainly on slow pitches at home, winning Down Under - comprehensively, ruthlessly and without requiring fortune to intervene - represents an extraordinary coming of age. Australia were bundled out for 198 after choosing to bat, before Bangladesh piled up 426 and seized a formidable 228-run lead. Even Cameron Green's defiant century could only postpone the inevitable as Australia managed 284 in their second innings. Bangladesh then swept aside the 57-run target for the loss of one wicket, sealing their first Test victory on Australian soil and only their second against Australia.

More significant than the margin was the manner of victory. Hasan Mahmud ripped through Australia with six wickets in the first innings and nine in the match, while Mehidy Hasan Miraz demonstrated precisely why he has become indispensable to Bangladesh, contributing 65 with the bat before taking five wickets in Australia's second innings. Tanzid Hasan's century gave Bangladesh what touring sides desperately require in Australia: authority at the top rather than excuses about alien conditions. Bangladesh did not stumble upon an Australian collapse and cling desperately to an advantage. They created the collapse, built an enormous lead and then strangled Australia's attempt at recovery. This was not Bangladesh surviving Australia. It was Bangladesh bullying Australia - on Australian soil.

That distinction matters enormously. Australia have spent generations turning home Test cricket into an examination of technique, temperament and nerve that visiting teams frequently fail. In Darwin, the intimidation was reversed. Bangladesh's fast bowlers attacked rather than merely contained, their batters occupied the crease with purpose and their spinners refused to become peripheral figures in conditions supposedly unsuited to them. For Bangladesh, whose Test journey since 2000 has contained too many crushing defeats, false dawns and questions about whether its domestic structure can produce players equipped for the longest format, this victory carries significance far beyond the scorecard. Overseas Test victories have been precious precisely because consistency away from home has remained one of the great unresolved weaknesses of Bangladesh cricket.

Yet one magnificent Test cannot be allowed to become another isolated monument. Bangladesh have produced historic victories before, only to retreat into inconsistency. Darwin must instead become a reference point for what this team should now demand of itself. The second Test offers the possibility of something even greater: a series triumph in Australia. For the hosts, this defeat should be deeply embarrassing; they were beaten in virtually every department in their own backyard. For Bangladesh, however, the greater consequence should be psychological. Respect in Test cricket is not permanently bestowed by administrators or rankings; it is seized through victories in hostile territory. Bangladesh have just seized a considerable amount of it. The challenge is to ensure Darwin is remembered not as a miracle, but as the day Bangladesh stopped being surprised by its own ability to win.