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#30DayChartChallenge 2023 | Roman Sverdan | Observable
#30DayChartChallenge 2023 | Roman Sverdan | Observable
#30DayChartChallenge 2023
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Some of the charts created for the 2023 #30DayChartChallenge
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Day 4: Historical #30DayChartChallenge. Wars and conflicts in Europe
Roman Sverdan
Apr 4, 2023
Day 5: Slope #30DayChartChallenge
Roman Sverdan
Apr 5, 2023
Day 6: OWID #30DayChartChallenge. Number of nuclear weapons tests, 1945 to 2019
Roman Sverdan
Apr 6, 2023
Day 7: Hazards #30DayChartChallenge. Guess what it means
Roman Sverdan
Apr 8, 2023
Day 8: Humans #30DayChartChallenge
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Roman Sverdan
Apr 8, 2023
Day 9: Hight/Low #30DayChartChallenge
Roman Sverdan
Apr 9, 2023
Day 10: Hybrid war #30DayChartChallenge Word Cloud
Roman Sverdan
Apr 10, 2023
Day 12: #30DayChartChallenge. Number of news articles about Ukraine at BBC News
Roman Sverdan
Apr 12, 2023
Day 13: #30DayChartChallenge. Notable Pop Art Artists
Roman Sverdan
Apr 13, 2023
Day 22: #30DayChartChallenge. Renewable energy in Ukraine
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Roman Sverdan
Apr 22, 2023
Day 14: #30DayChartChallenge. Anscombe's quartet. Vega-Lite
Roman Sverdan
Apr 14, 2023
Day 15: #30DayChartChallenge. Yearly Min and Max Air Temperature in Kyiv Since 1881
Roman Sverdan
Apr 15, 2023
Day 16: #30DayChartChallenge. Family Guy TV Show
Roman Sverdan
Apr 18, 2023
Day 27: #30DayChartChallenge. Highway to Hell. russian ruble vs. US Dollar
Roman Sverdan
Apr 27, 2023
Day 23: #30DayChartChallenge. Highest point of each region of Ukraine
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Roman Sverdan
Apr 23, 2023
1
Day 17: #30DayChartChallenge. Family Guy. Collaboration among directors and writers by number of episodes
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Roman Sverdan
Apr 17, 2023
Day 11: Circular #30DayChartChallenge. Ukrainian oblasts by area
Roman Sverdan
Apr 11, 2023
Day 19: #30DayChartChallenge. Is our world population graying?
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Roman Sverdan
Apr 19, 2023
Day 21: #30DayChartChallenge. russian losses in Ukraine. Small multiples line charts
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Roman Sverdan
Oct 29, 2023
Day 24: #30DayChartChallenge. Proportion of seats held by women in national parliaments
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Roman Sverdan
Apr 24, 2023
Day 18: #30DayChartChallenge. Eurostat Data. Population in Europe
Roman Sverdan
Apr 18, 2023
Day 26: #30DayChartChallenge. Pattern of Chornobyl disaster. Local change which changed the world
Roman Sverdan
Apr 26, 2023
Day 25: #30DayChartChallenge. Global Internet users, 1990-2017. Gapminder Style
Roman Sverdan
Apr 25, 2023
1
Day 29: #30DayChartChallenge. Annual global corporate investment in artificial intelligence
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Roman Sverdan
Apr 29, 2023
Day2 #30DayChartChallenge, Waffle chart. Aerial target losses
Roman Sverdan
Dec 28, 2025
2
Day 1: Part-to-whole #30DayChartChallenge
Roman Sverdan
Jan 24
1
Day 3: Fauna/Flora #30DayChartChallenge
Roman Sverdan
Apr 3, 2023
