# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/kazimierz-siemienowicz
# Generated: 2026-08-14T18:21:33.852Z

schema: https://schema.org/Person
url: "https://fame.am/person/kazimierz-siemienowicz"
name: "Kazimierz Siemienowicz"
slug: "kazimierz-siemienowicz"
description: "Kazimierz Siemienowicz was a Polish–Lithuanian general of artillery, gunsmith, military engineer, and one of pioneers of rocketry. Born in the Raseiniai region of the Grand Duchy of Lithuania, he served in the armies of the Polish–Lithuanian Commonwealth and of Frederick Henry, Prince of Orange, the ruler of the Dutch Republic. No portrait or detailed biography of him has survived and much of his life is a subject of dispute."
tagline: "Military engineer and artillery officer"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Kazimier_Siemianovi%C4%8D._%D0%9A%D0%B0%D0%B7%D1%96%D0%BC%D0%B5%D1%80_%D0%A1%D0%B5%D0%BC%D1%8F%D0%BD%D0%BE%D0%B2%D1%96%D1%87.jpg?width=1200"
gender: "male"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1600"
deathDate: "1651"
livingStatus: "DECEASED"
scores:
  popularity:           46.18
  momentum:             0
  historical:           10.30457466666667
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  60
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://uk.wikipedia.org/wiki/%D0%9A%D0%B0%D0%B7%D0%B8%D0%BC%D0%B8%D1%80_%D0%A1%D0%B5%D0%BC%D0%B5%D0%BD%D0%BE%D0%B2%D0%B8%D1%87"
    title: "Казимир Семенович"
    type:  "WIKIPEDIA"
  - url: "https://be_x_old.wikipedia.org/wiki/%D0%9A%D0%B0%D0%B7%D1%96%D0%BC%D0%B5%D1%80_%D0%A1%D0%B5%D0%BC%D1%8F%D0%BD%D0%BE%D0%B2%D1%96%D1%87"
    title: "Казімер Семяновіч"
    type:  "WIKIPEDIA"
  - url: "https://be.wikipedia.org/wiki/%D0%9A%D0%B0%D0%B7%D1%96%D0%BC%D1%96%D1%80_%D0%A1%D0%B5%D0%BC%D1%8F%D0%BD%D0%BE%D0%B2%D1%96%D1%87"
    title: "Казімір Семяновіч"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Casimir_Simienowicz"
    title: "Casimir Simienowicz"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Kazimierz_Siemienowicz"
    title: "Kazimierz Siemienowicz"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Kazimierz_Siemienowicz"
    title: "Kazimierz Siemienowicz"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Kazimierz_Siemienowicz"
    title: "Kazimierz Siemienowicz"
    type:  "WIKIPEDIA"
  - url: "https://lt.wikipedia.org/wiki/Kazimieras_Semenavi%C4%8Dius"
    title: "Kazimieras Semenavičius"
    type:  "WIKIPEDIA"
  - url: "https://mg.wikipedia.org/wiki/Kazimierz_Siemienowicz"
    title: "Kazimierz Siemienowicz"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Kazimierz_Siemienowicz"
    title: "Kazimierz Siemienowicz"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Kazimierz_Siemienowicz"
    title: "Kazimierz Siemienowicz"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BC%D0%B5%D0%BD%D0%BE%D0%B2%D0%B8%D1%87%2C_%D0%9A%D0%B0%D0%B7%D0%B8%D0%BC%D0%B8%D1%80"
    title: "Семенович, Казимир"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q976045"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump