![National Championships speed skating in Assen; Hans van Helden in action at 5.000 meters against Oudt, January 9, 1977, Championships, speed skating, sports, The Netherlands, 20th century press agency photo, news to National Championships speed skating in Assen; Hans van Helden in action at 5.000 meters against Oudt, January 9, 1977, Championships, speed skating, sports, The Netherlands, 20th century press agency photo, news to](https://c8.alamy.com/comp/2FXC8PR/national-championships-speed-skating-in-assen-hans-van-helden-in-action-at-5000-meters-against-oudt-january-9-1977-championships-speed-skating-sports-the-netherlands-20th-century-press-agency-photo-news-to-remember-documentary-historic-photography-1945-1990-visual-stories-human-history-of-the-twentieth-century-capturing-moments-in-time-2FXC8PR.jpg)
National Championships speed skating in Assen; Hans van Helden in action at 5.000 meters against Oudt, January 9, 1977, Championships, speed skating, sports, The Netherlands, 20th century press agency photo, news to
![World Speed Skating Championships in Heerenveen; Hans van Helden at 1,500-meter, February 29, 1976, SCHATSEN, sport, world championships, The Netherlands, 20th century press agency photo, news to remember, documentary, historic photography 1945-1990, World Speed Skating Championships in Heerenveen; Hans van Helden at 1,500-meter, February 29, 1976, SCHATSEN, sport, world championships, The Netherlands, 20th century press agency photo, news to remember, documentary, historic photography 1945-1990,](https://c8.alamy.com/comp/2FX5TG4/world-speed-skating-championships-in-heerenveen-hans-van-helden-at-1500-meter-february-29-1976-schatsen-sport-world-championships-the-netherlands-20th-century-press-agency-photo-news-to-remember-documentary-historic-photography-1945-1990-visual-stories-human-history-of-the-twentieth-century-capturing-moments-in-time-2FX5TG4.jpg)
World Speed Skating Championships in Heerenveen; Hans van Helden at 1,500-meter, February 29, 1976, SCHATSEN, sport, world championships, The Netherlands, 20th century press agency photo, news to remember, documentary, historic photography 1945-1990,
![World speed skating championships in Heerenveen; Hans van Helden at 5,000 meters, February 28, 1976, SCATING, sports, world championships, The Netherlands, 20th century press agency photo, news to remember, documentary, historic photography World speed skating championships in Heerenveen; Hans van Helden at 5,000 meters, February 28, 1976, SCATING, sports, world championships, The Netherlands, 20th century press agency photo, news to remember, documentary, historic photography](https://c8.alamy.com/comp/2FX5TGF/world-speed-skating-championships-in-heerenveen-hans-van-helden-at-5000-meters-february-28-1976-scating-sports-world-championships-the-netherlands-20th-century-press-agency-photo-news-to-remember-documentary-historic-photography-1945-1990-visual-stories-human-history-of-the-twentieth-century-capturing-moments-in-time-2FX5TGF.jpg)