January
• January 1 – Bulgaria and Romania join the European Union, while Slovenia joins the Eurozone.
• January 8 – Russian oil supplies to Poland, Germany, and Ukraine are cut as the

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• January 10 – Maléna, Armenian singer, winner of Junior Eurovision Song Contest 2021.
• April 10 – Princess Ariane of the Netherlands, daughter of King Willem-Alexander

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January–February
• January 4 – Marais Viljoen, 5th State President of South Africa (b. 1915)
• January 5 – Momofuku Ando, Japanese inventor (b. 1910)
• January 8 – Yvonne De Carlo, Canadian-born American actress (b. 1922)

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• Chemistry – Gerhard Ertl
• Economics – Leonid Hurwicz, Eric Maskin, and Roger Myerson
• Literature – Doris Lessing

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• additive manufacturing
• colony collapse disorder
• hashtag

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• 2007 Calendar at Internet Accuracy Project.

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