Timelines in CSS, using box-shadow for the tick marks. Mostly intended for age comparisons in genealogy.
Tick marks every 10 years. Goes to 100 years.
Like style 1, but colored. (First is solid, second is semi-transparent.)
Like style 1, but with a bordered, semi-transparent bar.
Shades every other ten years.
Shades every other ten years, lines every ten years.
Shades every other five years, lines every ten years.
Thick bars.
Thick bars with gradient.