He says Kali Yuga will last for 5000 years after the passing away of Krishna, after which evil will have spread through out the world, setting the stage for the arrival of Kalki. He says all these things will take place before his arrival again.
What are the Signs of his arrival? VBS gives some clear signs of the arrival of Kalki, whose name is Veera Bhoga Vasanta.
1. There will be a rain of fire. Following this a strange thing will happen. 20 feet tall humans will appear and claim to be Kalki. (this is in India).
2. A huge comet will be born in the south; several people will die due to this.
3. Mammary glands will be born to the males of Cow, Goat, etc. and people will get milk from them.
4. Tigers will disappear completely from the forests.
5. The Sun will appear like a green colored human being (?)
6. Moon will be seen on a new moon day.
7. Wealth will arrive from other countries to India and India will be very rich and powerful.
8. Stones will break and fly about like crows and eagles; Stone horses and chariots will start to run.
9. Blood and pus will flow out from stones.
10. It will rain blood.
The following refers to the World War I:
"After 5017 years of Kali Yuga, during the year pingala, a terrible war will start .."
Considering 3102 BC as the year of beginning of Kali Yuga puts the end of Kali Yuga at 1898AD. 5017'th year of Kali Yuga means 1915 AD which was when World War I was taking place.
Other that this mention of the war, VBS mentions various events which have taken place during the past 100 years or are set to take place.
Chakravartin cakravartin (Sanskrit) [from chakra wheel, cycle + vartin turning, one who governs] Sovereign of the world, universal ruler; a title applied to several Hindu emperors, but referring particularly to Vishnu, who in the treta yuga in the form of a universal monarch protected the three worlds. At the end of kali yuga, legend states that Vishnu will appear again under his form of the Kalki-avatara, or Maitreya as the Buddhists say, reforming or doing away with the wicked and inaugurating a realm of spirituality and righteousness.
Equivalent to the Hebrew Enduring King
(Enoch 36:3). "Through each of these small portals pass the stars of heaven and run their course to the west on the path which is shown to them. And as often as I saw I blessed always the Lord of Glory, and I continued to bless the Lord of Glory who has wrought great and glorious wonders, to show the greatness of His work to the angels and to spirits and to men, that they might praise His work and all His creation: that they might see the work of His might and praise the great work of His hands and bless Him for ever.
"Those of high status are devoid of the teachings of the holy scriptures, turn narrow-minded and always engage in the service of bad people; they are fond of carnal desires, seller of religion, seller of the scriptures, untouchable and seller of juices; they sell meat, are cruel, engage in sexual gratification and gratification of their appetite, attached to others' wives, drunk and producer of illegitimate children; have a low life-span, mix with lowly people and consider their brother-in-law as the only friend.
They like constant confrontation and are fond of argument, discontent, fond of jewellery, hair and style. The wealthy are respected as high-born and religious experts are respected only if they are lenders;
Men are merciful only when they are unable to harm others; express displeasure towards the poor; talk excessively to express erudition and carry out religious work to be famous; Monks are attached to homes in this Kali Age and the homeless are devoid of any morality;
Men of this age deride their teachers, display false religious affinity but tricks the good people; Sudras in Koli are always engaged in taking over others' possessions;
In Kali, marriage takes place simply because the man and the woman agree to do so;
Men engages in friendship with the crooked and show magnanimity while returning favours;
Men are considered pious only if they are wealthy and treat only far-away waters (lands) as places of pilgrimage;
Men are considered religious and pious simply because they have the sacred thread around their body and as explorers, simply because they have a stick in their hand;
The Earth becomes infertile, rivers hit the banks, wives take pleasure in speaking like prostitutes and their minds are not attracted towards their husbands;
People high in society become greedy for others' food, the low-born people are not averse to becoming priests,
People mix freely even after their spouses have died recently;
The clouds release rain irregularly, the land becomes infertile,
Kings kill their subjects,
The people are burdened with taxes; they survive by eating honey, meat, fruits and roots;
In the first quarter of the Kali Age, people deride God; in the second quarter, people do not even pronounce God's name; in the third quarter, men become cross-breeds; in the fourth quarter, men become the same (uniform) breed; nothing called race exists anymore; they forget God and religious works become extinct.