Was the Nine Tails Summoned?

In the anime, the nine tails were summoned by Madara/Tobi during Naruto's birth and made to attack Konoha. Later Minato saved the village.

Where did the Nine-Tails come from?

Origin. Nine-tailed foxes appear in Chinese folklore, literature, and mythology, in which, depending on the tale can be a good or a bad omen. The motif of nine-tailed foxes from Chinese culture were eventually transmitted and introduced to the Japanese and Korean cultures.

Did obito summon the Nine-Tails?

Which makes him (and Obito) only 14 when the Kyuubi attacked. Second, presumably Obito was able to summon Kurama because Kurama was under his control, and thus acts like a sort of contract between the two. The only other person who was known for summoning Kurama is Madara Uchiha, and Kurama hates his guts.