In 1955, significant events shaped global history. The Vietnam War began to escalate as the French Indochina War ended, leading to increased tensions in Southeast Asia. In the United States, the Civil Rights Movement gained momentum, highlighted by the arrest of Rosa Parks for refusing to give up her bus seat, sparking the Montgomery Bus Boycott. Culturally, 1955 was notable for the rise of rock and roll music, with artists like Elvis Presley gaining popularity. The first Disneyland theme park opened in California, marking a new era in family entertainment. Additionally, the NATO alliance strengthened as the Warsaw Pact was established in response.