1960s: Titles appear over teens playing in band and dancing in club.

1960s: Orchard, fruit trees, earthen dykes. Woman stands on stool, reaches overhead, picks fruit. Baskets of apples. People use hoes to till land.

August 13, 2023

1940s: cannons firing onto enemy lines

August 8, 2023

1960s: Man operates excavator, dumps dirt into dump truck. Woman places jars into box. Mining equipment. Products move along assembly line. Woman sits at desk, flips through book. Savings bonds.

July 19, 2023

1960s: Illustration of a ladder. Links along ladder labelled S and P and rungs labelled A, T, G, C. Ladder divides in two and new sections of genes form combinations to make molecule.

August 11, 2023

Rwanda 1970s: Pair of dancers gesture and dance. Group of dancers move back and forth. Dancers stand in a line. Cloud covered mountain.

July 8, 2023

1940s: UNITED STATES: Prestone Anti-Freeze cans from Everready brand. Glass bottle of ethylene glycol. Carbon chemist in lab looks at test tube. Inhibits in anti-freeze.

August 7, 2023

1950s: Jets fly through the air in formation. People roll aircraft into position. Man places block under plane wing. Men spin plane propellers. Plane takes off into sky.

July 18, 2023

1970s: UNITED STATES: animation of planet Earth, sun, and moon in space. Effect of moon on tide

July 5, 2023