15NOVEMBER

ON THIS DAY

What happened on November 15?

November 15 brings together stories of republics, international cooperation, computing and statehood, connecting people and turning points from different places and periods.

4 researched moments · 2 themes · reviewed October 2026

4 moments shown

1889

Brazil was proclaimed a republic

A military coup removed Emperor Pedro II and ended the Brazilian monarchy.

1920

The League of Nations held its first assembly

Delegates from member states met in Geneva for the League’s first general assembly.

1971

Intel publicly introduced the 4004 microprocessor

Intel advertised the 4004, a programmable general-purpose microprocessor developed for a calculator system.

1988

The Palestinian Declaration of Independence was proclaimed

The Palestine National Council declared an independent State of Palestine during a meeting in Algiers.

A LIVING COLLECTION

This date can keep growing.

History is wider than any first selection. We can add well-sourced events, people and perspectives while keeping every entry in chronological order.

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