At Athens there was a festival named Posidea after the god. At Eleusis there was a festival called Haloea on the 26th of the month Poseideon. The Haloea, a festival for Demeter and Dionysus, included a procession for Poseidon.
The Poseidonia of Aegina may have taken place in the same month. There were 16 days of feasting with rites of Aphrodite concluding the festival.
Yes, ancient Greeks celebrated several festivals in honor of Poseidon, the god of the sea. One of the most notable was the Panathenaea festival in Athens, which included athletic competitions and offerings to Poseidon. Additionally, the Isthmian Games, held every two years near Corinth, featured contests dedicated to Poseidon, showcasing athletic events, music, and poetry. These festivals reflected the importance of Poseidon in Greek culture and maritime activities.
they had religious festivals for him and built temples
Poseidon is a Greek god.
are there any festivals in Islam Sikhism and Buddhism
Poseidon raped multiple women
no
Most of this festivals is around Carnivals themes
Poseidon was known for the god of the sea. He can control any water thing.
horses
No.
Poseidon wasn't a god of any land, but actually the sea.
Poseidon's Trident did give powers, for example he can control the waves and size, time and width of them!