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The terms tour and tourist were introduced.
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The first tourist trip by steamship Great Western was the starting point for the development of sea cruises.
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The oldest travel company in the world was founded by Thomas Cook.
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Thomas Cook organized the first group tour by train.
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Thomas Cook arranged a visit for 150.000 people to the Great Exhibition in London.
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Thomas Cook planned his first excursion aboard, to Belgium, Germany and France.
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The Wright Brothers created the first successful powered airplane
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In 1920 international passports were introduced.
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The first international congress of tourist organizations met at the Hague in 1927
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The congress evolved to become the International Union of Official Travel Organisations.
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The number of international tourist arrivals was 25 million in 1951, then growing to 166 million in 1971.
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The United Nations declared 1967 the International Tourist Year.
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The first meeting of the World Tourism Organization (WTO).
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The World Tourism Organization was established in Madrid.
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The travel research platform Tripadvisor was founded.
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The euro was introduced, which made traveling across Europe easier.
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The United Nations General Assembly welcomed the organization as a special agency in its own right.
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The UNWTO name and branding were launched.
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Airbnb was launched. It is an online marketplace that connects people who want to rent out their homes with people looking for accommodations in specific locations.
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Google provides an online flight-booking service.
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International tourist arrivals passed the 1 billion mark.
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The UN designated 2017 International Year of Sustainable Tourism for Development.
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In 2019 the number of international tourists reached the record of 1.5 billion.