Which decade marks the earliest event in the timeline?

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Multiple Choice

Which decade marks the earliest event in the timeline?

Understanding timelines means tracing dates from oldest to newest and picking the event with the smallest year. The 1940s span from 1940 to 1949, so any event in that decade occurs before events in the 1960s or in the 1970s. Since 1960s and the early 1970s (1971, 1972) come later, the earliest event shown in the options would be the one in the 1940s.

Understanding timelines means tracing dates from oldest to newest and picking the event with the smallest year. The 1940s span from 1940 to 1949, so any event in that decade occurs before events in the 1960s or in the 1970s. Since 1960s and the early 1970s (1971, 1972) come later, the earliest event shown in the options would be the one in the 1940s.

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