diff --git a/src/index.md b/src/index.md
index 73115b3..96b8278 100644
--- a/src/index.md
+++ b/src/index.md
@@ -481,6 +481,7 @@ td:first-child strong a {
 | Charting tools:                 | *[paisa]*, etc..                                                 | [activity][h activity], [hledger-bar][h bar], [hledger-web][hledger-web], *[hledger-plot][h plot]*, *[paisa]*, etc..        | *[paisa]*..
 | Data importing:                 | [built-in from CSV][l convert], *[others][import tools]*..       | [built-in from any input format][h import], *[others][import tools]*..                                                      | [beangulp] framework, *[beancount_reds_importers] framework*, *[beancount-import] library*, *[others][import tools]*..
 | Data deduplication:             | [checksum-based (requires unique CSV records)][l convert]        | [date-based (requires date-ordered CSV records)][h dedupe]                                                                  | ?
+| Date range:                     | 1400-01-01..9999-12-31                                           | 0000-01-01..                                                                                                                | 0001-01-01..9999-12-31
 | Generate postings by rule:      | [yes][l gen postings]                                            | [yes][h gen postings]                                                                                                       | ?
 | Generate transactions by rule:  | [yes][l gen transactions]                                        | [yes][h gen transactions]                                                                                                   | ?
 | International number notations: | no                                                               | [yes][h intl numbers]                                                                                                       | no