# 1900 in oncology

Source: https://onco.cc/years/1900/  
OnCo record `1900` (Year). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

Everything OnCo dates to 1900: 3 entries, 3 technologies. Each line links to the record it was read from, so the year is a view of the corpus rather than a second copy of it.

## Summary

3 dated entries in OnCo fall in 1900: 3 technologies.

Of those, 3 to the year only. Most of the corpus dates a fact to the year, because that is what the source it was read from gives; regulatory events and the readout calendar are the parts that carry a full date.

Everything on this page is generated from the other records. It holds no fact of its own, and it changes when they do.

## Fields

- Kind: Year
- Last checked: 2026-09-25
- Also known as: 1900

## Notes

- Generated from every dated field in the corpus, not written by hand. The groups and the fields behind them are listed in src/lib/year-groups.ts; the reader is src/lib/years.ts.

## Connected records

- years: [1899 in oncology](https://onco.cc/years/1899/), [1901 in oncology](https://onco.cc/years/1901/)

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JSON: https://onco.cc/api/v1/entities/1900.json