January, 20 1894

Patent No. 78553 issued for Wolfmüller motor bicycle, 1894
Hildebrand & Wolfmüller Motorrad

    January 20th, 1926

Ge Ma Hi AG, Marquard & Hillmann Magdeburg Motorradbau, entered liquidation, a victim of hyperinflation.
Ge Ma Hi

    January 20, 1998

Max and his Marvellous Motorcycling Moggy
Max Corkill, his passenger Gaynor Martin and his cat Rastus were killed when their motorcycle collided with a car driving on the wrong side of the road in New Zealand. The driver was drunk. Rastus was famous as he rode everywhere on the tank of Max's 1952 Sunbeam S7.
Max and Rastus

    January 20th, 2017

Donald Trump inaugurated.

"Harley-Davidson Profit Wiped Out by Trump Tariffs" ~ Fortune, Jan 2019.
"Bloomberg reports [HD] retail sales figures dropped 10 percent in the final three months of 2018, marking their eighth straight quarterly decline. Harley shares fell 9.5 percent." ~ Rolling Stone, Jan 2019.
"[HD] global mid-year revenue fell by around 40 percent between the first six months of 2020, compared with the same period one year earlier. In the first half of 2020, revenue generated from motorcycle sales more than halved from the previous year..." statista.com, Sept 16th 2020.
Donald Trump Inaugurated