When did National Geographic introduce its now-famous yellow rectangular border to its magazine cover design?

National Geographic is known worldwide for its stunning photography and exploration of our planet, but its branding has its own fascinating story. The iconic yellow rectangle logo has become one of the most recognizable symbols in publishing and media. This poll tests your knowledge about how this famous geographic brand's visual identity has evolved over time, reflecting changes in both the organization's mission and global design trends.

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1888, when the magazine was first published
1910, as part of the magazine's first major redesign
1947, after World War II when global exploration boomed
1970, coinciding with the launch of their television programming