Kurban Hait or Eid-al-Adha or Kurban-bayram
Kurban Hait or Eid-al-Adha or Kurban-bayram is held on May 26. Uzbekistan, Afghanistan, Hari Raya Aidiladha in Brunei. This event in the third decade of the month May is annual. 
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It is also known as the Feast of Sacrifice or Festival of Sacrifice as it commemorates Ibrahim’s (Abraham) willingness to sacrifice his son to God.
On this day, it is customary to gather with family and friends, have celebratory meals, and give eidi (special gifts). Eid gifts are most often given to children as a token of love.
Similar holidays and events, festivals and interesting facts
Mother's Day in Albania on March 8 (also Afghanistan, Azerbaijan, Bosnia and Herzegovina, Bulgaria, Burundi, Burkina Faso, Kosovo, Laos, Macedonia, Moldova, Montenegro, Serbia, Tajikistan, Uzbekistan);
Teacher's Day in Uzbekistan on October 1
Uzbekistan Constitution Day on December 8
Day of Defenders of the Motherland in Uzbekistan on January 14
Night of Redemption on February 2
Ruza Khayit or Ramazan hayit or Eid al-Fitr in Uzbekistan on February 17
The Day of Arafah on May 25 (is an Islamic holiday that falls on the 9th day of Dhu al-Hijjah of the lunar);
Whit Monday on May 25 (celebrated on the day after Pentecost);
Anniversary of Royal Brunei Malay Regiment on May 31
The beginning of Gawai Dayak on May 31 (Dayaks in Sarawak, Malaysia and West Kalimantan, Indonesia, Brunei Darussalam)