After first iftar dinner in 1805, the White House started yearly ritual in 1996, under former First Lady Hillary Clinton.

Donald Trump’s government has not held an iftar dinner for the end of Ramadan, breaking a Muslim tradition held at the White House for more than two centuries.

The iftar dinner occurs at sunset at the end of the holy month of Ramadan, the ninth month of the Islam lunar calendar and a time of prayer, reflection and fasting.
White House officials reportedly spend months planning the event, which has been held every year under the Clinton, Bush and Obama administrations, but 2017 took a different path.
The White House issued a statement on late Saturday evening.

"Muslims in the United States joined those around the world during the holy month of Ramadan to focus on acts of faith and charity," the statement read. "Now, as they commemorate Eid with family and friends, they carry on the tradition of helping neighbours and breaking bread with people from all walks of life.
"During this holiday, we are reminded of the importance of mercy, compassion, and goodwill. With Muslims around the world, the United States renews our commitment to honour these values. Eid Mubarak."

http://www.independent.co.uk/news/world/americas/eid-al-fitr-donald-trump-white-house-stops-tradition-muslim-american-ramadan-fast-religious-freedom-a7806836.html