Century 21 Exposition
The Seattle World's Fair (Century 21 Exposition) opens. It is the first World's Fair in the United States since World War II.
21 Nisan — Tarihte Bugün
Geçmişte bugün yaşanan olaylar, doğumlar, ölümler ve tatiller. Türkçe ve İngilizce Vikipedi kaynaklı kapsamlı arşiv.
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Olay
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Doğum
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Ölüm
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Tatil
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Öne çıkan
Olaylar
21 Nisan 2026 · İngilizce Vikipedi · 53 kayıt · Sayfa 3 / 6
Brasília
Brasília, Brazil's capital, is officially inaugurated. At 09:30, the Three Powers of the Republic are simultaneously transferred from the old capital, Rio de Janeiro.
United Air Lines Flight 736
United Air Lines Flight 736 collides with a United States Air Force fighter jet near Arden, Nevada in what is now Enterprise, Nevada.
Administrative Professionals Day
Secretary's Day (now Administrative Professionals' Day) is first celebrated.
Nainital wedding massacre
The Nainital wedding massacre occurs, killing 22 members of the Harijan caste.
United Nations Security Council Resolution 47
United Nations Security Council Resolution 47 relating to Kashmir conflict is adopted.
National Weather Service
The U.S. Weather Bureau records that a tornado which struck Timber Lake, South Dakota was 4 miles (6.4 km), among the widest tornadoes on record.
World War II
World War II: Soviet forces south of Berlin at Zossen attack the German High Command headquarters.
Loch Ness Monster
The "Surgeon's Photograph", the most famous photo allegedly showing the Loch Ness Monster, is published in the Daily Mail (in 1994, it is revealed to be a hoax).
Al-Baqi Cemetery
Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.