History

Mount Baker wasn't the first European name for Kulshan

At the end of the 18th century, the British and Spanish competed to chart the Pacific Northwest (because colonialism). Manuel Quimper’s expedition actually saw Mount Baker two years before Vancouver's did, and named it La gran montaña del Carmelo. Perhaps if the Nootka Crisis been resolved differently we'd be calling it Monte Carmelo instead.

Singular 'pea' is a backformation

The word pea was originally pease in the singular and peasen in the plural. Eventually, speakers understandably interpreted the -s in pease as the plural suffix rather than just a sound in the original Latin pisum/pisa and Greek πίσον, and the English singular pea was born.

Colonialism and the 4-Colour Theorem

In 1852, then-student Francis Guthrie wondered any if possible map required more than four colours. By the end of the century, Guthrie and his fellow colonists had drawn a map on Africa that needed five.