Transport Atlas
Claims this atlas currently marks as unsettled or as tested and found false. A debated fact is one scholars hold competing positions on; a debunked one has been checked against the record and found not to hold. Both are kept in view rather than quietly smoothed over, with the reasoning that put each one where it stands.
4 statements.
Maritime Transport, Origin Year-65000
Maritime Transport, Modes
Standing
Concerns Origin Year
Currently States -65000
Expressed here as years before present rather than a calendar year. The first open ocean crossings, required to reach Sahul (Australia and New Guinea) from Sunda across Wallacea, are estimated at a minimum of 65,000 years before present, though the precise date and route are debated among archaeologists and no watercraft from this period survive; the date is inferred from the timing of human arrival in Sahul.
Source Sahul (Wikipedia)
Micromobility, Origin Year2017
Micromobility, Modes
Standing
Concerns Origin Year
Currently States 2017
The term is usually credited to Horace Dediu, said to have coined it in 2017, but internet references to the term already existed by 2010, so the exact date of coinage is not firmly settled.
Source Micromobility (Wikipedia)
Silk Road, Completion Year-114
Silk Road, Infrastructure
Standing
Concerns Completion Year
Currently States -114
The Silk Road was a network of routes that grew over centuries rather than a single built work with one completion date. One common marker historians use is the Han dynasty's westward expansion into Central Asia around 114 BCE, though overland trade contacts existed earlier and no single completion date is agreed.
Source Wikipedia: Silk Road
Walking, Origin Year-3000000
Walking, Modes
Standing
Concerns Origin Year
Currently States -3000000
Expressed here as years before present, the same convention this atlas uses for maritime-transport's own undatable origin. Fossil footprint evidence from Kenya suggests hominin ancestors may have walked in broadly modern fashion as long as 3 million years before present, but this is an estimate from a single trackway, not a settled date, and bipedalism itself predates any specific dateable origin of walking as transport.
Source Wikipedia: Walking