‘Tucker’ is announced

• On March 30, 1947, Preston Tucker announces his concept for a new automobile to be named the “Tucker.” His plans called for a rear-mounted engine as powerful as an aircraft motor, a stationary “cyclops” headlight and a steering wheel placed in the center of the car.

• On March 31, 1930, the Motion Picture Producers and Distributors of America formally adopt the Production Code, which imposed strict guidelines on the portrayal of illegal drug trafficking, profanity, the portrayal of clergy members as comic characters or villains, and the portrayal of interracial relationships.

• On April 1, 1924, Nazi Party leader Adolf Hitler is sentenced to five years in prison for treason for leading the Nazis’ unsuccessful “Beer Hall Putsch.” Sent to Landsberg jail, he spent his time dictating his autobiography, “Mein Kampf,” and was released after nine months.

• On April 2, 1987, the United States government allows individual states to increase the speed limit on rural roads from 55 mph to 65 mph. Since 1973, when President Richard Nixon set a federal maximum speed limit of 55 mph, no cars were allowed to exceed this speed.

• On April 3, 1776, because it lacked sufficient funds to build a strong navy, the Continental Congress gives privateers permission to attack any and all British ships, except for those vessels bringing arms and ammunition or people who intended to settle in the Colonies.

• On April 4, 1969, the most popular show on TV, “The Smothers Brothers Comedy Hour,” is canceled by CBS because the brothers failed to submit an episode to network executives before its broadcast. Among other controversial content in the show, the network executives objected to antiwar guests, including Pete Seeger, who sang a Vietnam protest song on the air.