December 30

The Cuban conga player Chano Pozo, introduced to Gillespie by Mario Bauzá, brought Afro-Cuban rhythm into the bebop big band. “Manteca” became the anthem of Afro-Cuban jazz. Pozo was shot dead in a Harlem bar less than a year later.

IUPAC announced that its joint working party with IUPAP had verified elements 113 (RIKEN), 115 and 117 (Dubna, Oak Ridge and Livermore) and 118 (Dubna and Livermore). The seventh row was full, with every element up to 118 accounted for.

Tesla’s first factory outside the United States, and the first car plant in China wholly owned by a foreign firm, went from groundbreaking to deliveries in less than a year. The first 15 cars went to employees.

The Senate voted 38 to 29 before dawn, as crowds in green scarves waited outside Congress; it had rejected a similar bill in 2018. Law 27,610, promulgated on 14 January 2021, allows abortion on request up to the 14th week.