Slavery was practiced world wide from the stone age up to modern time. It was made illegal in most countries in the 19th century, but is still illegally practiced in every country in the world.
It is in the 1700's if they say in the 18th century.
The average age at the Constitutional Convention was 42.
The average age was 41. The oldest was Franklin at 81 .
16
In the 19th century
Some confine the Little Ice Age to approximately the 16th century to the mid 19th century.
The average age for males inLower class: 22-30Middle class: 35-45Upper class: 55-60
The 'Age of Reason' is a term for 17th century philosophy. Impressionist painting was 19th century.
From the late 19th century to 1940s.
Mark Twain called the late 19th century the "Gilded Age." By this, he meant that the period was glittering on the surface but corrupt underneath. In the popular view, the late 19th century was a period of greed and guile: of rapacious Robber Barons, unscrupulous speculators, and corporate buccaneers, of shady business.
The age of iron is the 19th century when it became possible to make iron and then steel in large quantities.
It was replaced by the percussion system
If you mean the Victorian age (late 19th to early 20th century) the average horse wieghed between 800 lbs. and 1000 lbs.
Ice age
The average age of the Japanese population in 2004 was around 42 years old.
Europe colonized Africa during the Age of Imperialism in the 19th century.