None. A cotillion is a group event sponsored by adults for young people. Nowadays it is something akin to a debutante Ball , without an individual honoree. A hundred years ago, it was a dinner dance for neighbors , sort of a pot-luck , with everybody contributing food , an occassion to socialize when work or distance prevented a lot of casual visiting.
An appropriate gift would be something which your niece likes. If she likes certain characters, for examples, you may want to get her the character themed luggage.
Well, it's up to you I think it would be a kind jesture but no you don't have to give a gift.
the gift of healing
the gift of healing
Popular trees.
what kind of weather dose each typically bring.
Something sentimental or a gift card?
the kind of men who want a valentines gift has to men ethier gay or sesative
The gift of supernatural selection to travel through time.
you could bring money ______________ If the synagogue is Conservative or Orthodox, never try to give a monetary gift (this include gift cards as they're the equivalent of cash) at a bar mitzvah. The reason is that Jews do not handle money on shabbat (the sabbath). In fact, it's not a good idea to bring a gift of any kind to the synagogue. Either drop off the gift at the family's home in advance or wait until the party.
what kind of gift for my famal friend for the coming hollween
The Gift of the Magi is a very famous short story.
A social for an engaged couple or already married couple? If it's an engaged couple (such as an engagement party), I'd bring something small, like a bottle of wine and a congratulations card. If it's an already married couple, I would bring a gift if I did not bring one to the wedding (it's okay to send gifts up to one year after the fact). But, if we're talking about just some kind of get together, I'd do a very small host/hostess gift (flowers, stationary, kitchen utensil, etc...)