HI or Hi may refer to:
The FIFA World Cup was first held in 1930, when FIFA president Jules Rimet decided to stage an international football tournament.
Hip hop music, also called hip-hop or rap music, is a music genre developed in the United States by inner-city African Americans in the 1970s which consists of a stylized rhythmic music that commonly accompanies rapping, a rhythmic and rhyming speech that is chanted.
Human immunodeficiency virus infection and acquired immune deficiency syndrome (HIV/AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV).
Hindi (Devanagari: हिन्दी, IAST: Hindī), or Modern Standard Hindi (Devanagari: मानक हिन्दी, IAST: Mānak Hindī) is a standardised and Sanskritised register of the Hindustani language.
Emperor Shōwa (昭和天皇, Shōwa-tennō, April 29, 1901 – January 7, 1989) was the 124th Emperor of Japan according to the traditional order of succession, reigning from December 25, 1926, until his death on January 7, 1989. He was succeeded by his eldest son, Akihito, upon his death.
The Higgs boson is an elementary particle in the Standard Model of particle physics. It is the quantum excitation of the Higgs field, a fundamental field of crucial importance to particle physics theory first suspected to exist in the 1960s.
The date of the start of the history of the United States is a subject of debate among historians. Older textbooks start with the arrival of Christopher Columbus on October 12, 1492 and emphasize the European background of the colonization of the Americas, or they start around 1600 and emphasize the American frontier.