diff --git a/Constitution.md b/Constitution.md
index 87176cf..914a59a 100644
--- a/Constitution.md
+++ b/Constitution.md
@@ -727,3 +727,10 @@ done in Convention by the Unanimous Consent of the States present the
 Seventeenth Day of September in the Year of our Lord one thousand seven hundred
 and Eighty seven and of the Independence of the United States of America the
 Twelfth In witness whereof We have hereunto subscribed our Names,
+
+## Article. VIII.
+
+**Section 1.** The manufacture, sale, or transportation of intoxicating liquors
+within, the importation thereof into, or the exportation thereof from the
+United States and all the territory subject to the jurisdiction thereof for
+beverage purposes is hereby prohibited.
diff --git a/amendments/00018.md b/amendments/00018.md
new file mode 100644
index 0000000..382a3ff
--- /dev/null
+++ b/amendments/00018.md
@@ -0,0 +1,17 @@
+# Amendments to the Constitution of the United States of America
+
+## Amendment XVIII.
+
+**Section 1.** After one year from the ratification of this article the
+manufacture, sale, or transportation of intoxicating liquors within, the
+importation thereof into, or the exportation thereof from the United States and
+all the territory subject to the jurisdiction thereof for beverage purposes is
+hereby prohibited.
+
+**Section 2.** The Congress and the several States shall have concurrent power
+to enforce this article by appropriate legislation.
+
+**Section 3.** This article shall be inoperative unless it shall have been
+ratified as an amendment to the Constitution by the legislatures of the several
+States, as provided in the Constitution, within seven years from the date of
+the submission hereof to the States by the Congress.