When is it considered ancient times, and when does ancient times refer to?

In ancient times, before the Opium War in 1840, in fact, it should not be called ancient times, and the division of historical theory should be called ancient historyIn modern times, it was the Opium War in 1840 and the end of the May Fourth Movement in 1919It was the May Fourth Movement until 1949, when the Republic was foundedAfter 1949, it was contemporary.

In terms of the periodization of China's history, it generally refers to the era before the middle of the nineteenth century;

In modern times, China now usually refers to the period between the middle of the 19th century and the May Fourth Movement.

The upper and lower squares are said to be the universe, and the past and present are called the universe.

What is "today" is the present moment of life, which is the present, which is the moment you are thinking about.

So what is "ancient", before the present, is already "ancient".

In ancient times, a day and night were divided into 12 hours, namely: Zi, Chou, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu, and Hai. Each hour is equivalent to two hours in modern times.

The ancients named the hours according to the time of the animals in the Chinese zodiac. 23 1 o'clock, 1 3 o'clock, 3 5 o'clock, 5 7 o'clock, 7 9 o'clock, 9 11 o'clock, 11 13 o'clock at noon, 13 15 o'clock at 15 o'clock, 15 17 o'clock at Shen time, 17 19 o'clock at unitary time, 19 21 o'clock at the time of the unitary, 21 23 o'clock at the time of Hai.

The hour is an ancient unit of time, and the ancient people divided the day into twelve hours, each of which is equivalent to two hours in the present. Legend has it that the hours are named according to the time of day when the animals in the zodiac are present.

1. Ancient: Chang did not belong to China before the Opium War in 1840;From 1840 to 1949, the People's Republic of China was established as modern and modern, and after 1949, it was contemporary.

2. It generally includes the era of the primitive commune system. Due to the uneven nature of historical development, there is no time limit for unification in the world. Egypt, the Two Rivers Valley, China, India, Persia, etc., from about the 30th century BC to the beginning of the Common Era.

Greece and Rome, c. 8th century B.C. to 5th century C.E. (476 A.D.). With a quick touch.

In ancient times, a change refers to the hour.

In ancient China, the night was divided into four periods, and the first and last and three nodes were used to beat the time, so it was called five watches, five drums or five nights. There are five watches in one night, namely the first watch, the second watch, the third watch, the fourth watch, and the fifth watch. The time between the two watches is an hour, starting from 7:12 p.m., the second watch at about 9:36 p.m., the third watch at midnight, the fourth watch at 2:24 a.m., and the fifth watch at about 4:48 a.m.

From 3700 BC to 1840, the Opium Wars were all antiquity.

China is an ancient country with a glorious civilization. From the day of the creation of the country, China has experienced the Xia Dynasty successively.

Shang Dynasty, Western Zhou Dynasty, Eastern Zhou Dynasty (Spring and Autumn Period, Warring States Period), Qin Dynasty, Western Han Dynasty, Eastern Han Dynasty, Three Kingdoms, Western Jin Dynasty, Eastern Jin Dynasty Sixteen Kingdoms, Northern and Southern Dynasties, Sui Dynasty, Tang Dynasty, Five Dynasties and Ten Kingdoms.

Historical periods such as the Liao, Song, Xia, Jin, Yuan, Ming, and Qing dynasties.

Among them, during the Xia, Shang, Western Zhou and Spring and Autumn periods, China experienced the development of slave society. From the Warring States period, feudal society.

Nurtured and formed, the Qin Dynasty established the first ** centralized power in Chinese history.

The Great Unified Feudal Empire.

Characteristics of modern Chinese history.

1. From the perspective of exploration: it is a continuation of modern Western studies, with the characteristics of imitation: before the 80s, both politically and economically, it was mostly imitating the highly centralized political and economic system of the Soviet Union; Since the reform and opening up, it has imitated the business mode and management experience of the West.

2. Judging from the course of exploration, it has the characteristics of twists and turns: Before the reform and opening up, the process of revolution and construction was either surpassed by reckless progress and detachment from reality, or it was interrupted from time to time due to leftist mistakes, which caused the focus of work to be incorrectly shifted, so that economic construction went from rushing forward to being interrupted until the Third Plenary Session of the 11 th CPC Central Committee.

After that, it got on the right track and always took economic construction as the center.