Order of Hamondieh happened in 1897.
In order for a rainbow to happen it needs to rain. Just after you see the rain is gone a rainbow appears for a short moment. A mixture of rain and light creates a rainbow. You could even use a glass with water and sunlight for a rainbow to appear.
Lots of things do NOT happen. Better read an article on star formation and find out what DOES happen.
nothing will happen... because
Tornadoes can happen anywhere - they're usually formed from severe thunderstorms.
nothing would happen
the orders in which thing happen is called sequence
Chronological Order.
Order of War happened in 2009.
Laconia Order happened in 1942.
Order of the Garter happened in 1348.
Order of Aviz happened in 1789.
Order of the Sword happened in 1748.
Order of Ontario happened in 1986.
Order of the Direkgunabhorn happened in 1991.
Order of the Chrysanthemum happened in 1876.
Order of the Griffon happened in 1992.
Order of Distinction happened in 1968.