increase from the late 1990s. Vietnamese Americans observe holidays based on their lunisolar calendar, with (commonly known as ) the most important. Falling in late January or early February, marks the lunar new year. Although the full holiday lasts for seven days, the first three days are celebrated with visits to relatives, teachers and friends. For , the Vietnamese commemorate their ancestors with memorial feasts (including traditional foods such as square and round sticky-rice cakes: and ) and visits to their ancestors' graves. For Vietnamese Americans, the celebration of is simpler. In California, Texas and other states with substantial Vietnamese communities, Vietnamese Americans celebrate by visiting their relatives and friends, watching community-sponsored dragon dances and visiting temples or churches. (Wandering Souls' Day, on the 15th day of the seventh lunar month) and (Children's Day or the Mid-Autumn Festival, on the 15th day of the eighth lunar month) are also celebrated by many Vietnamese Americans. For , food, money and clothes made of special paper are prepared to worship the wandering souls of ancestors. Along with , is a favorite children's holiday; children holding colorful lanterns form a procession and follow a parade of lion dances and drums. Religion Forty-three percent of Vietnamese Americans are Buddhists. Many practice Mahayana Buddhism, Taoism, Confucianism and animist practices (including ancestor veneration) influenced by Chinese folk religion. Twenty-nine to thirty percent of Vietnamese Americans are Catholic, and a smaller number are Protestant. Vietnamese are a major ethnic group notable among Asian American Catholics. Hòa Hảo and Caodaism are two of the other religions of Vietnamese Americans. There are 150 to 165 Vietnamese Buddhist temples in the United States, with most observing a mixture of Pure Land (Tịnh Độ Tông) and Zen (Thiền) doctrines and practices. Most temples are small, consisting of a converted house with one or two resident monks or nuns. Two of the most prominent figures in Vietnamese-American Buddhism are Thich Thien-An and Thich Nhat Hanh. There are also Theravada-based Vietnamese temples like Chua Buu Mon in Port Arthur, Texas. Ethnic subgroups Although census data counts those who identify as ethnically Vietnamese, how Vietnamese ethnic groups view themselves may affect that reporting. Hoa The Hoa people are ethnic Chinese who migrated to Vietnam. In 2013, they made up 11.5 percent of the Vietnamese-American population, and in majority, identified itself as Vietnamese. Some Hoa Vietnamese Americans also speak a dialect of Yue Chinese, generally