diff --git a/talon/quotations.py b/talon/quotations.py
index 9286209..7eb16ad 100644
--- a/talon/quotations.py
+++ b/talon/quotations.py
@@ -42,6 +42,8 @@ RE_ON_DATE_SMB_WROTE = re.compile(
             u'På',
             # Swedish, Danish
             'Den',
+            # Vietnamese
+            u'Vào',
         )),
         # Date and sender separator
         u'|'.join((
@@ -64,6 +66,8 @@ RE_ON_DATE_SMB_WROTE = re.compile(
             'schrieb',
             # Norwegian, Swedish
             'skrev',
+            # Vietnamese
+            u'đã viết',
         ))
     ))
 # Special case for languages where text is translated like this: 'on {date} wrote {somebody}:'
diff --git a/tests/text_quotations_test.py b/tests/text_quotations_test.py
index c02c375..4163774 100644
--- a/tests/text_quotations_test.py
+++ b/tests/text_quotations_test.py
@@ -401,6 +401,14 @@ Op 17-feb.-2015, om 13:18 heeft Julius Caesar <pantheon@rome.com> het volgende g
 Small batch beard laboris tempor, non listicle hella Tumblr heirloom.
 """))
 
+def test_vietnamese_from_block():
+    eq_('Hello', quotations.extract_from_plain(
+    u"""Hello
+
+Vào 14:24 8 tháng 6, 2017, Hùng Nguyễn <hungnguyen@xxx.com> đã viết:
+
+> Xin chào
+"""))
 
 def test_quotation_marker_false_positive():
     msg_body = """Visit us now for assistance...