I Have a Dream — 1963 speech delivered by Martin Luther King Jr. in Washington D.C. to 250.000 people of the civil rights movement, regarded as one of the most important speeches in US history

1963 Cannes Film Festival — film festival edition

1963 Summer Universiade — multi-sport event in Porto Alegre, Brazil

1963 Mediterranean Games — 4th edition of the Mediterranean Games

EuroBasket 1963 — 1963 edition of the Eurobasket

1963 Formula One season — sports season

1963 CONCACAF Championship — football tournament

1963 FIBA World Championship — 1963 edition of the FIBA World Championship

1963 South American Championship — football tournament

1963 African Cup of Nations — football tournament

1963 public backlash in Pahlavi-dynasty Iran