diff --git a/code/schulferien_json-to-dataframe.R b/code/schulferien_json-to-dataframe.R
new file mode 100644
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+++ b/code/schulferien_json-to-dataframe.R
@@ -0,0 +1,18 @@
+# setwd("C:/Users/nwickelmaier/Nextcloud/Documents/MDS/2023ss/60100_master_thesis/data/metadata")
+
+# https://ferien-api.de/#holidaysPerStateAndYear
+# Data extracted (on Linux) via:
+# curl https://ferien-api.de/api/v1/holidays/NI > schulferien_NI.json
+
+library(jsonlite)
+
+dat <- read_json("schulferien_NI.json", simplify = TRUE)
+dat$slug <- NULL
+dat$stateCode <- NULL
+
+dat$name <- paste0(gsub("^(.*).niedersachsen.*", "\\1", dat$name),
+                   gsub("^.*niedersachsen [0-9]{4}(.*)", "\\1",
+                              dat$name))
+
+write.table(dat, "schulferien_2019-2025_NI.csv", sep = ";", row.names = FALSE)
+