◆ On this day

July 17

3 sourced moments from July 17 in history: Willis Carrier invented modern air conditioning (1902); Disneyland opened its gates in California (1955); and The Rome Statute Created the World's First Permanent War-Crimes Court (1998).

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3 things happened on July 17

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1998 Society & Economy · Politics & Law

The Rome Statute Created the World's First Permanent War-Crimes Court

After decades of false starts, 120 nations voted in Rome to build a standing court that could try the gravest crimes against humanity.

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1955 Culture & Arts · Performing Arts

Disneyland opened its gates in California

In 1955, Walt Disney turned a former orange grove into the first modern theme park, despite a chaotic opening day.

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1902 Technology · Inventions

Willis Carrier invented modern air conditioning

In 1902, a young engineer's fix for a humid Brooklyn print shop became the blueprint for modern air conditioning.

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