What’s the most popular festival/holiday in your motherland?

There are many different festivals/holidays in the world. Can you list the most popular one in your country?

Our New year ( April 13 and April 14 ) according to lunar calendar

haha Spring Festival in China.

春节

Christmas for sure... it's obviously not a specifically American holiday, since its a religious holiday, but the vast majority of people celebrate here. (including athiests)

Moors and Christians Festival

https://www.morosycristianoselda.es

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New Year , 1st of January

Sinhalese New Year in April
Vesak festival in May
Kandy Perahara festival in August

In my city we celebrate "Saint Lorenzo" as a very important festival (my name's Lorenzo =D )

In my city, it's "La bogue d'or" in October.
(We can eat grilled chesnut😋 ans there are many little concert )

春节，元宵，端午，国庆

Nationale Feestdag (21 juli) Onze-Lieve-Vrouw Hemelvaart (15 augustus) Allerheiligen (1 november) Wapenstilstand (11 november) in belgium