The world was or will be (almost) burned when several suns had (will) appear(ed) simultaneously; or the only sun was too hot (or bright)
Other suns or moons besides present ones had been in the sky and were later annihilated
Two or more suns shine in the sky. When the extra suns had been annihilated, there was a risk of the last one being destroyed too
Person intentionally and with special equipment (usually shooting arrows) attacks the Sun (or several suns if they were many)
The Sun (the day light) that was absent, stolen or hidden appears (again)
An animal or a person eats up the first book (writing, important document). (In some of European traditions the eating up of the book is not directly described but follows from the context)
The Sun is female, the Moon is male or (more rare) also female
Modest Sun-woman dazzles (usually pricks with needles, i.e. the sun rays) eyes of those who look at her
Being afraid of the night, the Sun decided to travel across the sky only at the day time
Both the Sun and the Moon are considered to be females (incl. cases when the gender is not directly specified but both emerge from parts of the body of a female person)
The Sun and the Moon (rare: the Sun and a star, the Moon and a star) are two siblings who live on earth and then ascend to the sky being still young persons
An ogress devours a woman, gets into her house. Her daughters (daughter and son, one daughter) run away, climb a tree or a rope that hangs from the sky. Ogress pursues them and perishes
Person or animal is killed or injured with a heavy object dropped from a tree (or rock, etc.). The person or the animal knows that the objects will fall but has falls ideas about its character and weight
The cock lures out the Sun from its hiding place or people beliefe that the Sun will not rise if the cock would not cry
In a certain time in the past three or more suns were on the sky simultaneously