diff --git a/0-csv-files/united_states-chicago.csv b/0-csv-files/united_states-chicago.csv
index c9e6107..15257c8 100644
--- a/0-csv-files/united_states-chicago.csv
+++ b/0-csv-files/united_states-chicago.csv
@@ -1,2 +1,2 @@
-who, type, country, state, city, latitude, longitude
-other, place I've lived, United States, Illinois, Chicago, 41.8781° N, 87.6298° W
+who (OPTIONS: cu-student; certificate-student; other), type, country, state, city, latitude, longitude
+sti-student,places I've lived,USA,IL,Chicago,41.882685,-87.623008
diff --git a/united-state-of-america/illinois/chicago-il.ipynb b/united-state-of-america/illinois/chicago-il.ipynb
new file mode 100644
index 0000000..d1d7c8c
--- /dev/null
+++ b/united-state-of-america/illinois/chicago-il.ipynb
@@ -0,0 +1,51 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "73cc838d",
+   "metadata": {},
+   "source": [
+    "# Chicago, IL - 41.882685, -87.623008"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "7b2f49d9",
+   "metadata": {},
+   "source": [
+    "##  Population: 2,746,388 <a href=\"https://en.wikipedia.org/wiki/Chicago\">Source</a>"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "870bba99",
+   "metadata": {},
+   "source": [
+    "### The Bean is a popular destination\n",
+    "\n",
+    "![The Bean](Downloads/bean.jpg)"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.13"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}