Translation of "Xix" in English

Современная философия начинается с XIX века.

Modern philosophy has its beginnings in the 19th century.

В XIX веке число иммигрантов стремительно выросло.

- In the 19th century, the number of immigrants swelled rapidly.
- In the 19th century, the number of immigrants increased rapidly.
- In the 19th century, the number of immigrants grew rapidly.

Самый важный деятель математики XIX века — это, несомненно, Гаусс.

The most important figure of mathematics of the nineteenth century is, undoubtedly, Gauss.

и так он стал основным коммерческим сортом в XIX веке,

it becomes a major commercial variety in the 19th century

В XIX веке на Западе люди работали более 60 часов в неделю.

In the 19th century, Westerners worked more than 60 hours per week.

«Глупых вопросов не бывает». – «Как мог Леонардо Дикаприо изобрести Мону Лизу, если в XIX веке не было цвета?» – «Беру свои слова обратно».

- "There's no such thing as a stupid question." "How did Leonardo DiCaprio invent the Mona Lisa if there was no color in the 1800s?" "I stand corrected."
- "Stupid questions don't exist." "How did Leonardo DiCaprio invent the Mona Lisa if there was no color in the 19th century?" "I take back what I said."