Possible Clues:

• Party fun beginning - is tea being served?
• Saint's day celebration
• Party in Puebla
• Writing English arrested at a public event abroad
• Mollifies taxman, deducting peripherals for holiday
• Duke's note about Eastern carnival
• Feast day
• Holiday that is extremely short taken by footballers
• Party with a piñata
• Expression of disgust by pious sort at a religious celebration